/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/transmitter.04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:44:07,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:44:07,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:44:07,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:44:07,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:44:07,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:44:07,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:44:07,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:44:07,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:44:07,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:44:07,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:44:07,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:44:07,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:44:07,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:44:07,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:44:07,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:44:07,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:44:07,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:44:07,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:44:07,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:44:07,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:44:07,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:44:07,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:44:07,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:44:07,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:44:07,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:44:07,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:44:07,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:44:07,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:44:07,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:44:07,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:44:07,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:44:07,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:44:07,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:44:07,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:44:07,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:44:07,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:44:07,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:44:07,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:44:07,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:44:07,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:44:07,795 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 14:44:07,822 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:44:07,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:44:07,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:44:07,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:44:07,824 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:44:07,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:44:07,825 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:44:07,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:44:07,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:44:07,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:44:07,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:44:07,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:44:07,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:44:07,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:44:07,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:44:07,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:44:07,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:44:07,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:44:07,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:44:07,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:44:07,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:44:07,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:44:07,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:44:07,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:44:07,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:44:08,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:44:08,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:44:08,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:44:08,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:44:08,291 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:44:08,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.04.cil.c [2020-10-29 14:44:08,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b23f874a/c93baeb29bba4b5ea151895f403eb3f1/FLAGc38bd947e [2020-10-29 14:44:08,953 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:44:08,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.04.cil.c [2020-10-29 14:44:08,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b23f874a/c93baeb29bba4b5ea151895f403eb3f1/FLAGc38bd947e [2020-10-29 14:44:09,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b23f874a/c93baeb29bba4b5ea151895f403eb3f1 [2020-10-29 14:44:09,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:44:09,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:44:09,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:44:09,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:44:09,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:44:09,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2541479c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09, skipping insertion in model container [2020-10-29 14:44:09,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:44:09,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:44:09,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:44:09,621 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:44:09,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:44:09,727 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:44:09,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09 WrapperNode [2020-10-29 14:44:09,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:44:09,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:44:09,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:44:09,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:44:09,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (1/1) ... [2020-10-29 14:44:09,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:44:09,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:44:09,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:44:09,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:44:09,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (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 14:44:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:44:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:44:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-29 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:44:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:44:09,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:44:09,894 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:44:09,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:44:09,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:44:09,896 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:44:09,897 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:44:09,898 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:44:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:44:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:44:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:44:10,921 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:44:10,922 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-29 14:44:10,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:44:10 BoogieIcfgContainer [2020-10-29 14:44:10,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:44:10,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:44:10,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:44:10,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:44:10,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:44:09" (1/3) ... [2020-10-29 14:44:10,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30cda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:44:10, skipping insertion in model container [2020-10-29 14:44:10,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:44:09" (2/3) ... [2020-10-29 14:44:10,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30cda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:44:10, skipping insertion in model container [2020-10-29 14:44:10,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:44:10" (3/3) ... [2020-10-29 14:44:10,939 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.04.cil.c [2020-10-29 14:44:10,953 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:44:10,959 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:44:10,975 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:44:11,021 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:44:11,022 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:44:11,022 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:44:11,022 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:44:11,022 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:44:11,022 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:44:11,022 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:44:11,023 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:44:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states. [2020-10-29 14:44:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:44:11,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:11,076 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, 1] [2020-10-29 14:44:11,076 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:11,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash -295484549, now seen corresponding path program 1 times [2020-10-29 14:44:11,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:11,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220866620] [2020-10-29 14:44:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:44:16,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-29 14:44:16,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 14:44:16,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:44:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:44:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 14:44:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:44:16,575 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 14:44:16,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:16,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 14:44:16,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:16,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:44:16,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:16,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:16,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:44:16,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:16,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:44:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:44:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:44:16,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:44:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:16,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:44:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:16,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:16,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:16,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:44:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:16,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:44:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:16,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:16,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:44:17,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:44:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-29 14:44:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:44:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 14:44:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:17,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:17,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:17,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:17,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:17,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:17,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:17,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:17,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:44:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:44:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:17,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:44:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:17,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:44:17,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 14:44:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:17,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:17,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:17,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:17,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:17,294 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 14:44:17,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220866620] [2020-10-29 14:44:17,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:17,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:44:17,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439998824] [2020-10-29 14:44:17,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:44:17,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:17,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:44:17,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:44:17,322 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 8 states. [2020-10-29 14:44:17,490 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 14:44:19,432 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 14:44:23,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:23,156 INFO L93 Difference]: Finished difference Result 894 states and 1439 transitions. [2020-10-29 14:44:23,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:44:23,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 14:44:23,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:23,186 INFO L225 Difference]: With dead ends: 894 [2020-10-29 14:44:23,187 INFO L226 Difference]: Without dead ends: 660 [2020-10-29 14:44:23,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:44:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-10-29 14:44:23,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 425. [2020-10-29 14:44:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-29 14:44:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 595 transitions. [2020-10-29 14:44:23,393 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 595 transitions. Word has length 121 [2020-10-29 14:44:23,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:23,394 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 595 transitions. [2020-10-29 14:44:23,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:44:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 595 transitions. [2020-10-29 14:44:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:44:23,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:23,399 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, 1] [2020-10-29 14:44:23,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:44:23,399 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:23,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:23,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1403613188, now seen corresponding path program 1 times [2020-10-29 14:44:23,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:23,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169697595] [2020-10-29 14:44:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:23,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:23,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:23,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:27,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:44:28,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-29 14:44:28,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:44:28,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-29 14:44:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 14:44:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:28,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:28,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:28,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:28,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:28,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:28,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:28,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:28,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:28,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:28,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:44:28,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:44:28,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:28,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:28,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:28,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:28,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:44:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:28,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:28,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:28,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:44:28,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:28,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:28,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:28,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:28,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:44:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:44:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:28,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:29,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:44:30,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:44:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1260 [2020-10-29 14:44:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:44:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:30,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:30,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:30,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:30,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:30,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:44:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:30,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:30,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:44:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:30,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:44:30,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:44:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:30,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:30,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:30,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:30,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:30,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:30,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:30,265 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 14:44:30,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169697595] [2020-10-29 14:44:30,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:30,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:44:30,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660391541] [2020-10-29 14:44:30,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:44:30,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:44:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:44:30,269 INFO L87 Difference]: Start difference. First operand 425 states and 595 transitions. Second operand 9 states. [2020-10-29 14:44:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:37,119 INFO L93 Difference]: Finished difference Result 2238 states and 3683 transitions. [2020-10-29 14:44:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 14:44:37,123 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-29 14:44:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:37,159 INFO L225 Difference]: With dead ends: 2238 [2020-10-29 14:44:37,160 INFO L226 Difference]: Without dead ends: 1836 [2020-10-29 14:44:37,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-29 14:44:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2020-10-29 14:44:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1362. [2020-10-29 14:44:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2020-10-29 14:44:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 2064 transitions. [2020-10-29 14:44:37,480 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 2064 transitions. Word has length 121 [2020-10-29 14:44:37,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:37,481 INFO L481 AbstractCegarLoop]: Abstraction has 1362 states and 2064 transitions. [2020-10-29 14:44:37,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:44:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2064 transitions. [2020-10-29 14:44:37,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:44:37,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:37,494 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, 1] [2020-10-29 14:44:37,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:44:37,494 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:37,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:37,495 INFO L82 PathProgramCache]: Analyzing trace with hash -2133713352, now seen corresponding path program 1 times [2020-10-29 14:44:37,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:37,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061590278] [2020-10-29 14:44:37,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:39,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:44:42,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 14:44:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 14:44:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:42,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:44:42,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:42,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:42,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:42,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:42,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:42,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:44:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:44:42,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:42,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:44:42,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:42,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:44:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:42,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:44:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:42,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:42,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:44:42,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:42,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:44:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:42,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:43,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:44:44,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:44:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1239 [2020-10-29 14:44:44,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:44:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:44,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:44,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:44,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:44,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:44,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:44,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:44,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:44,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:44:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:44,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:44,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:44,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:44:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:44,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:44:44,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:44,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:44:44,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:44,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:44,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:44,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:44,195 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 14:44:44,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061590278] [2020-10-29 14:44:44,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:44,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:44:44,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137617011] [2020-10-29 14:44:44,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:44:44,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:44,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:44:44,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:44:44,201 INFO L87 Difference]: Start difference. First operand 1362 states and 2064 transitions. Second operand 9 states. [2020-10-29 14:44:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:47,725 INFO L93 Difference]: Finished difference Result 2573 states and 4028 transitions. [2020-10-29 14:44:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:44:47,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-29 14:44:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:47,740 INFO L225 Difference]: With dead ends: 2573 [2020-10-29 14:44:47,740 INFO L226 Difference]: Without dead ends: 1541 [2020-10-29 14:44:47,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-29 14:44:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-10-29 14:44:47,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1097. [2020-10-29 14:44:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-10-29 14:44:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1610 transitions. [2020-10-29 14:44:47,911 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1610 transitions. Word has length 121 [2020-10-29 14:44:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:47,913 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1610 transitions. [2020-10-29 14:44:47,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:44:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1610 transitions. [2020-10-29 14:44:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:44:47,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:47,917 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, 1] [2020-10-29 14:44:47,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:44:47,917 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:47,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:47,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1199445437, now seen corresponding path program 1 times [2020-10-29 14:44:47,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:47,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766718688] [2020-10-29 14:44:47,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:47,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:47,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:48,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:48,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:52,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:44:52,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:44:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:44:52,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:52,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:44:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:44:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 14:44:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,130 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 14:44:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:53,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:53,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:53,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:53,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:53,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:53,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:53,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:53,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:53,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:53,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:53,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:44:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:44:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:53,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:53,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:53,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:44:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:44:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:53,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:53,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:53,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:44:53,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:53,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:44:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:53,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4235 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-29 14:44:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:57,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:44:57,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:57,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:44:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:44:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:44:57,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 14:44:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,612 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 14:44:57,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766718688] [2020-10-29 14:44:57,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:57,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:44:57,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399752194] [2020-10-29 14:44:57,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:44:57,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:57,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:44:57,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:44:57,615 INFO L87 Difference]: Start difference. First operand 1097 states and 1610 transitions. Second operand 9 states. [2020-10-29 14:45:01,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:01,828 INFO L93 Difference]: Finished difference Result 3157 states and 4908 transitions. [2020-10-29 14:45:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:45:01,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 121 [2020-10-29 14:45:01,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:01,846 INFO L225 Difference]: With dead ends: 3157 [2020-10-29 14:45:01,846 INFO L226 Difference]: Without dead ends: 2084 [2020-10-29 14:45:01,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:45:01,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2020-10-29 14:45:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1652. [2020-10-29 14:45:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-29 14:45:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2409 transitions. [2020-10-29 14:45:02,094 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2409 transitions. Word has length 121 [2020-10-29 14:45:02,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:02,095 INFO L481 AbstractCegarLoop]: Abstraction has 1652 states and 2409 transitions. [2020-10-29 14:45:02,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:45:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2409 transitions. [2020-10-29 14:45:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:45:02,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:02,097 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, 1] [2020-10-29 14:45:02,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:45:02,098 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:02,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:02,099 INFO L82 PathProgramCache]: Analyzing trace with hash -785383268, now seen corresponding path program 1 times [2020-10-29 14:45:02,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:02,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527273969] [2020-10-29 14:45:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:03,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:45:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:45:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 14:45:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:07,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 14:45:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:45:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:07,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:07,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:07,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:07,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:45:07,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:07,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:45:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:45:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:45:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:45:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:45:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:07,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:45:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:07,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:45:07,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:45:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:11,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:45:12,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:45:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:45:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:45:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:45:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:45:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,566 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 14:45:12,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527273969] [2020-10-29 14:45:12,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:12,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:12,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797258208] [2020-10-29 14:45:12,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:12,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:12,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:12,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:12,569 INFO L87 Difference]: Start difference. First operand 1652 states and 2409 transitions. Second operand 10 states. [2020-10-29 14:45:12,724 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 14:45:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:15,175 INFO L93 Difference]: Finished difference Result 3411 states and 5037 transitions. [2020-10-29 14:45:15,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:45:15,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:45:15,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:15,192 INFO L225 Difference]: With dead ends: 3411 [2020-10-29 14:45:15,192 INFO L226 Difference]: Without dead ends: 2080 [2020-10-29 14:45:15,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:45:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2020-10-29 14:45:15,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1652. [2020-10-29 14:45:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-29 14:45:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2390 transitions. [2020-10-29 14:45:15,420 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2390 transitions. Word has length 121 [2020-10-29 14:45:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:15,420 INFO L481 AbstractCegarLoop]: Abstraction has 1652 states and 2390 transitions. [2020-10-29 14:45:15,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2390 transitions. [2020-10-29 14:45:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:45:15,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:15,425 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, 1] [2020-10-29 14:45:15,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:45:15,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:15,426 INFO L82 PathProgramCache]: Analyzing trace with hash -857769826, now seen corresponding path program 1 times [2020-10-29 14:45:15,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:15,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972449726] [2020-10-29 14:45:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:15,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:15,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:16,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:45:20,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:45:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 14:45:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:20,606 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 14:45:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:20,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:45:20,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:45:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:45:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:20,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:45:20,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:20,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:45:20,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:45:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:20,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:20,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:45:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:45:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:20,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:45:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:20,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:45:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:25,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:45:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:25,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:45:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:25,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:45:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:25,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:25,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:25,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:25,928 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 14:45:25,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972449726] [2020-10-29 14:45:25,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:25,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:25,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354251772] [2020-10-29 14:45:25,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:25,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:25,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:25,931 INFO L87 Difference]: Start difference. First operand 1652 states and 2390 transitions. Second operand 10 states. [2020-10-29 14:45:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:32,076 INFO L93 Difference]: Finished difference Result 5676 states and 8479 transitions. [2020-10-29 14:45:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 14:45:32,077 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:45:32,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:32,111 INFO L225 Difference]: With dead ends: 5676 [2020-10-29 14:45:32,111 INFO L226 Difference]: Without dead ends: 4339 [2020-10-29 14:45:32,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-29 14:45:32,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4339 states. [2020-10-29 14:45:32,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4339 to 2872. [2020-10-29 14:45:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2872 states. [2020-10-29 14:45:32,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 4030 transitions. [2020-10-29 14:45:32,550 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 4030 transitions. Word has length 121 [2020-10-29 14:45:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:32,550 INFO L481 AbstractCegarLoop]: Abstraction has 2872 states and 4030 transitions. [2020-10-29 14:45:32,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 4030 transitions. [2020-10-29 14:45:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:45:32,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:32,553 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, 1] [2020-10-29 14:45:32,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:45:32,554 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:32,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:32,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1252136612, now seen corresponding path program 1 times [2020-10-29 14:45:32,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:32,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477136991] [2020-10-29 14:45:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:33,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:45:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:45:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 14:45:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 14:45:37,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:45:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:37,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:37,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:45:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:37,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:37,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:37,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:45:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:45:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:37,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:37,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:37,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:37,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:37,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:45:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:37,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:37,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:45:42,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:45:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:45:42,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:45:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:42,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:42,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:45:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:45:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:42,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:42,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:45:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:42,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:42,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:42,950 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 14:45:42,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477136991] [2020-10-29 14:45:42,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:42,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:42,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670087693] [2020-10-29 14:45:42,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:42,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:42,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:42,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:42,953 INFO L87 Difference]: Start difference. First operand 2872 states and 4030 transitions. Second operand 10 states. [2020-10-29 14:45:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:45,684 INFO L93 Difference]: Finished difference Result 6176 states and 8800 transitions. [2020-10-29 14:45:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:45:45,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:45:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:45,709 INFO L225 Difference]: With dead ends: 6176 [2020-10-29 14:45:45,709 INFO L226 Difference]: Without dead ends: 3619 [2020-10-29 14:45:45,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:45:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2020-10-29 14:45:46,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 2867. [2020-10-29 14:45:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2867 states. [2020-10-29 14:45:46,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3986 transitions. [2020-10-29 14:45:46,108 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3986 transitions. Word has length 121 [2020-10-29 14:45:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:46,109 INFO L481 AbstractCegarLoop]: Abstraction has 2867 states and 3986 transitions. [2020-10-29 14:45:46,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3986 transitions. [2020-10-29 14:45:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:45:46,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:46,111 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, 1] [2020-10-29 14:45:46,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:45:46,112 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:46,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2096142114, now seen corresponding path program 1 times [2020-10-29 14:45:46,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:46,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23675973] [2020-10-29 14:45:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:46,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:45:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:45:51,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-29 14:45:51,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,275 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 14:45:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:51,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:45:51,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:45:51,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:45:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:51,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:45:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:45:51,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:45:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:45:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:51,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:51,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:51,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:45:51,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:51,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:51,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:51,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:45:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:51,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:51,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:54,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:45:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:56,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:45:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:45:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:45:56,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:45:56,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:45:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:45:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:56,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:56,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:56,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:56,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:56,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:56,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:56,525 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 14:45:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23675973] [2020-10-29 14:45:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638910677] [2020-10-29 14:45:56,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:56,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:56,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:56,528 INFO L87 Difference]: Start difference. First operand 2867 states and 3986 transitions. Second operand 10 states. [2020-10-29 14:45:59,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:59,642 INFO L93 Difference]: Finished difference Result 6127 states and 8658 transitions. [2020-10-29 14:45:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:45:59,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:45:59,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:59,668 INFO L225 Difference]: With dead ends: 6127 [2020-10-29 14:45:59,668 INFO L226 Difference]: Without dead ends: 3575 [2020-10-29 14:45:59,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:45:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2020-10-29 14:46:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 2857. [2020-10-29 14:46:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2857 states. [2020-10-29 14:46:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 3937 transitions. [2020-10-29 14:46:00,199 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 3937 transitions. Word has length 121 [2020-10-29 14:46:00,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:00,200 INFO L481 AbstractCegarLoop]: Abstraction has 2857 states and 3937 transitions. [2020-10-29 14:46:00,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:46:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3937 transitions. [2020-10-29 14:46:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:46:00,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:00,202 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, 1] [2020-10-29 14:46:00,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:46:00,203 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:00,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:00,203 INFO L82 PathProgramCache]: Analyzing trace with hash -45158116, now seen corresponding path program 1 times [2020-10-29 14:46:00,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:00,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110130182] [2020-10-29 14:46:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:46:05,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:05,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:05,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:05,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:05,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:46:05,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:05,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:46:05,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 14:46:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:46:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:05,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 14:46:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:46:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:46:10,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:46:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:46:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:10,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:10,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:10,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:10,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:10,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:46:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:46:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:46:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:10,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:10,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:10,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:10,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:10,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:10,572 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 14:46:10,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110130182] [2020-10-29 14:46:10,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:10,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 14:46:10,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438156457] [2020-10-29 14:46:10,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:46:10,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:10,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:46:10,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:46:10,575 INFO L87 Difference]: Start difference. First operand 2857 states and 3937 transitions. Second operand 12 states. [2020-10-29 14:46:11,735 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 14:46:11,867 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-29 14:46:12,197 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 14:46:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:15,220 INFO L93 Difference]: Finished difference Result 6536 states and 9420 transitions. [2020-10-29 14:46:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:46:15,221 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-10-29 14:46:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:15,251 INFO L225 Difference]: With dead ends: 6536 [2020-10-29 14:46:15,251 INFO L226 Difference]: Without dead ends: 3695 [2020-10-29 14:46:15,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-29 14:46:15,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2020-10-29 14:46:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 2907. [2020-10-29 14:46:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2907 states. [2020-10-29 14:46:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3976 transitions. [2020-10-29 14:46:15,785 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3976 transitions. Word has length 121 [2020-10-29 14:46:15,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:15,785 INFO L481 AbstractCegarLoop]: Abstraction has 2907 states and 3976 transitions. [2020-10-29 14:46:15,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:46:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3976 transitions. [2020-10-29 14:46:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:46:15,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:15,789 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, 1] [2020-10-29 14:46:15,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:46:15,789 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:15,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:15,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1449970848, now seen corresponding path program 1 times [2020-10-29 14:46:15,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:15,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950691044] [2020-10-29 14:46:15,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:16,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:16,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:16,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:46:20,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:46:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:46:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:46:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:20,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 14:46:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:20,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:20,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:20,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:20,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:20,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:20,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:20,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:20,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:20,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:21,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:46:21,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:21,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:21,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:21,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:46:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:46:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:21,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:21,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:21,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:46:21,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:21,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:21,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:46:21,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:21,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:46:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:21,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:46:24,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:46:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3021 [2020-10-29 14:46:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:46:24,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:24,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:24,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:24,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:24,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:24,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:24,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:24,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:46:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:46:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:46:24,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:24,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:24,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:24,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:24,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:24,197 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 14:46:24,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950691044] [2020-10-29 14:46:24,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:24,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:46:24,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823461654] [2020-10-29 14:46:24,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:46:24,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:24,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:46:24,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:46:24,199 INFO L87 Difference]: Start difference. First operand 2907 states and 3976 transitions. Second operand 10 states. [2020-10-29 14:46:24,332 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-29 14:46:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:27,130 INFO L93 Difference]: Finished difference Result 6193 states and 8610 transitions. [2020-10-29 14:46:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:46:27,130 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:46:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:27,153 INFO L225 Difference]: With dead ends: 6193 [2020-10-29 14:46:27,153 INFO L226 Difference]: Without dead ends: 3601 [2020-10-29 14:46:27,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 14:46:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2020-10-29 14:46:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 2897. [2020-10-29 14:46:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2897 states. [2020-10-29 14:46:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3927 transitions. [2020-10-29 14:46:27,659 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3927 transitions. Word has length 121 [2020-10-29 14:46:27,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:27,660 INFO L481 AbstractCegarLoop]: Abstraction has 2897 states and 3927 transitions. [2020-10-29 14:46:27,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:46:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3927 transitions. [2020-10-29 14:46:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:46:27,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:27,662 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, 1] [2020-10-29 14:46:27,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:46:27,662 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:27,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:27,662 INFO L82 PathProgramCache]: Analyzing trace with hash 2013426398, now seen corresponding path program 1 times [2020-10-29 14:46:27,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:27,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438897264] [2020-10-29 14:46:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:27,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:27,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:27,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:46:32,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 14:46:32,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:32,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:32,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:46:32,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:32,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:32,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:32,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:46:32,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:46:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:32,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:46:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:32,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:46:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:33,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:46:34,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:46:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:46:34,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:34,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:34,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:34,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:34,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:46:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:46:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:34,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:34,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:34,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:34,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:34,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:34,366 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 14:46:34,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438897264] [2020-10-29 14:46:34,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:34,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 14:46:34,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087617364] [2020-10-29 14:46:34,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 14:46:34,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:34,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 14:46:34,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:46:34,368 INFO L87 Difference]: Start difference. First operand 2897 states and 3927 transitions. Second operand 14 states. [2020-10-29 14:46:35,409 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 14:46:35,552 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-29 14:46:35,774 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 14:46:35,980 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 14:46:36,888 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 14:46:37,780 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-29 14:46:37,919 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 14:46:38,124 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 14:46:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:40,167 INFO L93 Difference]: Finished difference Result 7983 states and 11779 transitions. [2020-10-29 14:46:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 14:46:40,167 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 121 [2020-10-29 14:46:40,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:40,192 INFO L225 Difference]: With dead ends: 7983 [2020-10-29 14:46:40,192 INFO L226 Difference]: Without dead ends: 5109 [2020-10-29 14:46:40,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 14:46:40,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2020-10-29 14:46:40,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 3663. [2020-10-29 14:46:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3663 states. [2020-10-29 14:46:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 4748 transitions. [2020-10-29 14:46:40,641 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 4748 transitions. Word has length 121 [2020-10-29 14:46:40,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:40,641 INFO L481 AbstractCegarLoop]: Abstraction has 3663 states and 4748 transitions. [2020-10-29 14:46:40,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 14:46:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 4748 transitions. [2020-10-29 14:46:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:46:40,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:40,643 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, 1] [2020-10-29 14:46:40,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 14:46:40,644 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:40,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:40,644 INFO L82 PathProgramCache]: Analyzing trace with hash -390081572, now seen corresponding path program 1 times [2020-10-29 14:46:40,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:40,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630771926] [2020-10-29 14:46:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:40,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:40,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:41,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:42,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 14:46:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:46:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:45,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:46:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:46:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:45,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:46:45,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:46:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:45,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:46:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:46,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:46:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:46,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:46:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:46:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:46,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:46,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:46,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:46,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:46,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:46,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:46,808 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 14:46:46,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630771926] [2020-10-29 14:46:46,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:46,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:46:46,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018154071] [2020-10-29 14:46:46,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:46:46,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:46,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:46:46,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:46:46,811 INFO L87 Difference]: Start difference. First operand 3663 states and 4748 transitions. Second operand 10 states. [2020-10-29 14:46:50,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:50,559 INFO L93 Difference]: Finished difference Result 9848 states and 13365 transitions. [2020-10-29 14:46:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:46:50,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-29 14:46:50,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:50,587 INFO L225 Difference]: With dead ends: 9848 [2020-10-29 14:46:50,587 INFO L226 Difference]: Without dead ends: 6208 [2020-10-29 14:46:50,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-10-29 14:46:50,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6208 states. [2020-10-29 14:46:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6208 to 4310. [2020-10-29 14:46:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4310 states. [2020-10-29 14:46:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4310 states to 4310 states and 5461 transitions. [2020-10-29 14:46:51,225 INFO L78 Accepts]: Start accepts. Automaton has 4310 states and 5461 transitions. Word has length 121 [2020-10-29 14:46:51,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:51,226 INFO L481 AbstractCegarLoop]: Abstraction has 4310 states and 5461 transitions. [2020-10-29 14:46:51,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:46:51,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4310 states and 5461 transitions. [2020-10-29 14:46:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 14:46:51,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:51,227 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, 1] [2020-10-29 14:46:51,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 14:46:51,228 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:51,228 INFO L82 PathProgramCache]: Analyzing trace with hash -367449318, now seen corresponding path program 1 times [2020-10-29 14:46:51,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:51,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865631077] [2020-10-29 14:46:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:52,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:52,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:52,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 14:46:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,370 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-29 14:46:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:46:56,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:46:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:46:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:56,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:56,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:56,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:46:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:56,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:46:57,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:46:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:46:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:57,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:57,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:46:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:46:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:46:57,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:57,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:46:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:57,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:57,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:57,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:57,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:57,114 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 14:46:57,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865631077] [2020-10-29 14:46:57,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:57,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 14:46:57,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512512542] [2020-10-29 14:46:57,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 14:46:57,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:57,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 14:46:57,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 14:46:57,116 INFO L87 Difference]: Start difference. First operand 4310 states and 5461 transitions. Second operand 7 states. [2020-10-29 14:47:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:47:02,206 INFO L93 Difference]: Finished difference Result 14841 states and 19889 transitions. [2020-10-29 14:47:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 14:47:02,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-29 14:47:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:47:02,249 INFO L225 Difference]: With dead ends: 14841 [2020-10-29 14:47:02,250 INFO L226 Difference]: Without dead ends: 10557 [2020-10-29 14:47:02,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:47:02,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2020-10-29 14:47:03,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 8947. [2020-10-29 14:47:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8947 states. [2020-10-29 14:47:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8947 states to 8947 states and 11812 transitions. [2020-10-29 14:47:03,568 INFO L78 Accepts]: Start accepts. Automaton has 8947 states and 11812 transitions. Word has length 121 [2020-10-29 14:47:03,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:47:03,568 INFO L481 AbstractCegarLoop]: Abstraction has 8947 states and 11812 transitions. [2020-10-29 14:47:03,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 14:47:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8947 states and 11812 transitions. [2020-10-29 14:47:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 14:47:03,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:47:03,571 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, 1, 1] [2020-10-29 14:47:03,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 14:47:03,571 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:47:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:47:03,571 INFO L82 PathProgramCache]: Analyzing trace with hash -467069337, now seen corresponding path program 1 times [2020-10-29 14:47:03,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:47:03,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559340034] [2020-10-29 14:47:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:47:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 14:47:08,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:47:08,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-29 14:47:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:47:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:47:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:47:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:47:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:47:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:47:08,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:47:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:47:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:47:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 14:47:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:47:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:08,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:47:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:47:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 879 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 14:47:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:47:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:09,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:47:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:47:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:09,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:47:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:47:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:09,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:47:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 14:47:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:47:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:09,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:09,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:47:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:09,811 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 14:47:09,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559340034] [2020-10-29 14:47:09,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:47:09,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:47:09,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703966874] [2020-10-29 14:47:09,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:47:09,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:47:09,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:47:09,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:47:09,814 INFO L87 Difference]: Start difference. First operand 8947 states and 11812 transitions. Second operand 10 states. [2020-10-29 14:47:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:47:14,860 INFO L93 Difference]: Finished difference Result 20932 states and 29687 transitions. [2020-10-29 14:47:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 14:47:14,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 122 [2020-10-29 14:47:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:47:14,914 INFO L225 Difference]: With dead ends: 20932 [2020-10-29 14:47:14,914 INFO L226 Difference]: Without dead ends: 12016 [2020-10-29 14:47:14,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2020-10-29 14:47:14,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2020-10-29 14:47:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 9099. [2020-10-29 14:47:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9099 states. [2020-10-29 14:47:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9099 states to 9099 states and 11754 transitions. [2020-10-29 14:47:16,210 INFO L78 Accepts]: Start accepts. Automaton has 9099 states and 11754 transitions. Word has length 122 [2020-10-29 14:47:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:47:16,210 INFO L481 AbstractCegarLoop]: Abstraction has 9099 states and 11754 transitions. [2020-10-29 14:47:16,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:47:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 9099 states and 11754 transitions. [2020-10-29 14:47:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 14:47:16,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:47:16,212 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, 1, 1] [2020-10-29 14:47:16,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 14:47:16,213 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:47:16,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:47:16,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1542415659, now seen corresponding path program 1 times [2020-10-29 14:47:16,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:47:16,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005643311] [2020-10-29 14:47:16,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:47:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:16,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:16,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:16,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:20,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:20,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:20,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 14:47:21,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:47:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-29 14:47:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:47:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:47:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:21,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:47:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:47:21,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:47:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:47:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:47:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:21,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:21,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:47:21,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:21,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:21,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:47:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:47:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:21,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:47:22,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:47:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:47:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:47:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:47:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:22,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:47:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:47:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:47:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:22,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:47:22,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:47:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:47:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:22,359 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 14:47:22,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005643311] [2020-10-29 14:47:22,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:47:22,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:47:22,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769150254] [2020-10-29 14:47:22,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:47:22,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:47:22,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:47:22,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:47:22,361 INFO L87 Difference]: Start difference. First operand 9099 states and 11754 transitions. Second operand 8 states. [2020-10-29 14:47:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:47:29,276 INFO L93 Difference]: Finished difference Result 31633 states and 44644 transitions. [2020-10-29 14:47:29,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:47:29,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-10-29 14:47:29,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:47:29,394 INFO L225 Difference]: With dead ends: 31633 [2020-10-29 14:47:29,394 INFO L226 Difference]: Without dead ends: 22567 [2020-10-29 14:47:29,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:47:29,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22567 states. [2020-10-29 14:47:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22567 to 17933. [2020-10-29 14:47:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17933 states. [2020-10-29 14:47:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 24202 transitions. [2020-10-29 14:47:32,121 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 24202 transitions. Word has length 122 [2020-10-29 14:47:32,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:47:32,121 INFO L481 AbstractCegarLoop]: Abstraction has 17933 states and 24202 transitions. [2020-10-29 14:47:32,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:47:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 24202 transitions. [2020-10-29 14:47:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 14:47:32,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:47:32,125 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, 1, 1] [2020-10-29 14:47:32,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 14:47:32,126 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:47:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:47:32,126 INFO L82 PathProgramCache]: Analyzing trace with hash -490978387, now seen corresponding path program 1 times [2020-10-29 14:47:32,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:47:32,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408157254] [2020-10-29 14:47:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:47:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:32,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:32,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 14:47:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:47:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:47:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:47:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:47:37,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:47:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:47:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 14:47:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 14:47:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 14:47:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:47:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:37,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:47:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:37,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:47:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:47:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:37,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:47:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 14:47:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:47:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:47:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:47:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:37,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:37,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:47:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:37,828 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 14:47:37,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408157254] [2020-10-29 14:47:37,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:47:37,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 14:47:37,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058157572] [2020-10-29 14:47:37,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 14:47:37,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:47:37,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 14:47:37,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 14:47:37,830 INFO L87 Difference]: Start difference. First operand 17933 states and 24202 transitions. Second operand 7 states.