/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.11.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:54:31,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:54:31,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:54:31,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:54:31,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:54:31,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:54:31,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:54:31,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:54:31,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:54:31,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:54:31,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:54:31,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:54:31,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:54:31,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:54:31,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:54:32,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:54:32,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:54:32,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:54:32,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:54:32,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:54:32,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:54:32,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:54:32,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:54:32,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:54:32,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:54:32,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:54:32,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:54:32,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:54:32,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:54:32,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:54:32,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:54:32,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:54:32,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:54:32,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:54:32,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:54:32,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:54:32,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:54:32,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:54:32,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:54:32,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:54:32,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:54:32,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 19:54:32,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:54:32,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:54:32,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:54:32,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:54:32,078 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:54:32,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:54:32,081 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:54:32,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:54:32,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:54:32,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:54:32,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:54:32,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:54:32,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:54:32,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:54:32,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:54:32,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:54:32,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:32,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:54:32,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:54:32,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:54:32,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:54:32,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:54:32,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:54:32,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:54:32,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:54:32,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:54:32,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:54:32,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:54:32,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:54:32,537 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:54:32,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2020-10-28 19:54:32,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de854066b/5988f8edc00c48bda116d85792329c6b/FLAG114ecaa77 [2020-10-28 19:54:33,373 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:54:33,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-1.c [2020-10-28 19:54:33,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de854066b/5988f8edc00c48bda116d85792329c6b/FLAG114ecaa77 [2020-10-28 19:54:33,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de854066b/5988f8edc00c48bda116d85792329c6b [2020-10-28 19:54:33,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:54:33,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:54:33,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:33,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:54:33,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:54:33,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:33" (1/1) ... [2020-10-28 19:54:33,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b965c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:33, skipping insertion in model container [2020-10-28 19:54:33,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:33" (1/1) ... [2020-10-28 19:54:33,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:54:33,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:54:34,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:34,238 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:54:34,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:34,376 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:54:34,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34 WrapperNode [2020-10-28 19:54:34,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:34,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:54:34,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:54:34,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:54:34,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... [2020-10-28 19:54:34,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:54:34,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:54:34,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:54:34,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:54:34,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:54:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:54:34,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:54:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:54:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:54:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:54:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:54:34,675 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:54:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:54:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:54:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:54:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:54:34,676 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:54:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:54:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:54:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:54:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:54:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:54:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:54:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:54:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:54:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 19:54:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 19:54:34,679 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:54:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:54:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:54:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:54:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:54:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:54:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:54:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:54:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:54:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:54:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:54:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:54:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:54:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:54:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:54:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:54:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:54:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:54:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:54:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:54:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 19:54:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:54:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:54:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 19:54:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 19:54:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:54:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:54:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:54:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:54:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:54:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:54:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:54:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:54:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:54:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:54:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:54:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:54:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:54:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:54:36,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:54:36,368 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-28 19:54:36,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:36 BoogieIcfgContainer [2020-10-28 19:54:36,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:54:36,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:54:36,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:54:36,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:54:36,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:54:33" (1/3) ... [2020-10-28 19:54:36,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb129a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:36, skipping insertion in model container [2020-10-28 19:54:36,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:34" (2/3) ... [2020-10-28 19:54:36,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb129a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:36, skipping insertion in model container [2020-10-28 19:54:36,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:36" (3/3) ... [2020-10-28 19:54:36,387 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-1.c [2020-10-28 19:54:36,401 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:54:36,408 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:54:36,422 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:54:36,474 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:54:36,475 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:54:36,475 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:54:36,475 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:54:36,475 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:54:36,477 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:54:36,477 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:54:36,477 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:54:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2020-10-28 19:54:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:54:36,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:36,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:36,543 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:36,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1685063422, now seen corresponding path program 1 times [2020-10-28 19:54:36,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:36,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961702415] [2020-10-28 19:54:36,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:39,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:39,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:39,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:40,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:40,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:40,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:40,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:41,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:42,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:54:42,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 19:54:42,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-28 19:54:42,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:42,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:54:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:54:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:54:42,851 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:54:42,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:42,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:42,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:42,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:54:42,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:42,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:42,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:42,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:42,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:42,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:54:42,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:42,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:42,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:42,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:42,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:42,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:54:43,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:54:43,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:43,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 19:54:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:54:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:54:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:54:43,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:54:43,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:54:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:54:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:54:43,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:54:43,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-28 19:54:43,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:54:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:54:43,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:43,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 19:54:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:43,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:43,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:43,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:43,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:54:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:54:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:43,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:54:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:54:43,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:43,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:54:43,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:43,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:54:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:43,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:43,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:43,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:43,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:43,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:43,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:43,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:43,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:43,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:54:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:54:43,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961702415] [2020-10-28 19:54:43,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:43,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:43,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981718757] [2020-10-28 19:54:43,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:43,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:43,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:43,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:43,944 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 8 states. [2020-10-28 19:54:44,438 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 19:54:44,603 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:54:45,046 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:54:45,260 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:54:53,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:53,764 INFO L93 Difference]: Finished difference Result 1173 states and 1922 transitions. [2020-10-28 19:54:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:54:53,767 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:54:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:53,792 INFO L225 Difference]: With dead ends: 1173 [2020-10-28 19:54:53,792 INFO L226 Difference]: Without dead ends: 723 [2020-10-28 19:54:53,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:54:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-10-28 19:54:54,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 443. [2020-10-28 19:54:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-28 19:54:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 649 transitions. [2020-10-28 19:54:54,070 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 649 transitions. Word has length 219 [2020-10-28 19:54:54,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:54,070 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 649 transitions. [2020-10-28 19:54:54,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 649 transitions. [2020-10-28 19:54:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:54:54,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:54,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:54,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:54:54,087 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:54,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:54,088 INFO L82 PathProgramCache]: Analyzing trace with hash -642098948, now seen corresponding path program 1 times [2020-10-28 19:54:54,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:54,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477221686] [2020-10-28 19:54:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:54:59,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-28 19:54:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-28 19:54:59,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:54:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:54:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,667 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:54:59,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:59,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:59,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:59,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:59,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:59,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:54:59,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:54:59,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 19:54:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:59,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:54:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:59,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:59,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:54:59,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:00,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:55:00,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-28 19:55:00,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:55:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:00,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:00,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:55:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:00,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477221686] [2020-10-28 19:55:00,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:00,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:00,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412376085] [2020-10-28 19:55:00,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:00,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:00,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:00,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:00,442 INFO L87 Difference]: Start difference. First operand 443 states and 649 transitions. Second operand 8 states. [2020-10-28 19:55:00,930 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 19:55:01,101 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:01,537 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:01,756 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:55:09,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:09,828 INFO L93 Difference]: Finished difference Result 1141 states and 1742 transitions. [2020-10-28 19:55:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:55:09,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:55:09,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:09,837 INFO L225 Difference]: With dead ends: 1141 [2020-10-28 19:55:09,837 INFO L226 Difference]: Without dead ends: 723 [2020-10-28 19:55:09,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-10-28 19:55:09,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 443. [2020-10-28 19:55:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-28 19:55:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 648 transitions. [2020-10-28 19:55:09,942 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 648 transitions. Word has length 219 [2020-10-28 19:55:09,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:09,942 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 648 transitions. [2020-10-28 19:55:09,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 648 transitions. [2020-10-28 19:55:09,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:55:09,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:09,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:09,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:55:09,946 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:09,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:09,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1438484730, now seen corresponding path program 1 times [2020-10-28 19:55:09,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:09,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822074562] [2020-10-28 19:55:09,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:11,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:11,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:11,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:55:15,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 19:55:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 19:55:15,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-28 19:55:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,447 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:15,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:15,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:15,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:55:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:55:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:16,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:55:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-28 19:55:16,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:16,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 19:55:16,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:55:16,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:16,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:16,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:16,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:16,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822074562] [2020-10-28 19:55:16,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:16,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:16,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009993150] [2020-10-28 19:55:16,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:16,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:16,291 INFO L87 Difference]: Start difference. First operand 443 states and 648 transitions. Second operand 8 states. [2020-10-28 19:55:16,674 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:16,835 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:17,058 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:20,936 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:21,480 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:30,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:30,353 INFO L93 Difference]: Finished difference Result 1812 states and 2842 transitions. [2020-10-28 19:55:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:30,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:55:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:30,366 INFO L225 Difference]: With dead ends: 1812 [2020-10-28 19:55:30,367 INFO L226 Difference]: Without dead ends: 1399 [2020-10-28 19:55:30,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-10-28 19:55:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 875. [2020-10-28 19:55:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-10-28 19:55:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1294 transitions. [2020-10-28 19:55:30,597 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1294 transitions. Word has length 219 [2020-10-28 19:55:30,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:30,597 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 1294 transitions. [2020-10-28 19:55:30,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:30,598 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1294 transitions. [2020-10-28 19:55:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:55:30,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:30,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:30,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:55:30,602 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:30,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:30,603 INFO L82 PathProgramCache]: Analyzing trace with hash 407153915, now seen corresponding path program 1 times [2020-10-28 19:55:30,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:30,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75602267] [2020-10-28 19:55:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:31,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:31,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:31,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:32,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:55:35,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-28 19:55:35,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 19:55:35,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-28 19:55:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,067 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:36,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:36,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:36,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:36,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:36,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:36,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:55:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:36,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:55:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:37,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:55:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-28 19:55:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 19:55:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 19:55:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:37,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:37,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:37,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:37,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:37,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:37,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:37,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:37,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75602267] [2020-10-28 19:55:37,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:37,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:37,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448517146] [2020-10-28 19:55:37,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:37,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:37,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:37,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:37,231 INFO L87 Difference]: Start difference. First operand 875 states and 1294 transitions. Second operand 8 states. [2020-10-28 19:55:37,626 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:37,800 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:38,023 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:41,684 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:42,254 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:51,314 INFO L93 Difference]: Finished difference Result 3568 states and 5628 transitions. [2020-10-28 19:55:51,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:51,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:55:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:51,335 INFO L225 Difference]: With dead ends: 3568 [2020-10-28 19:55:51,335 INFO L226 Difference]: Without dead ends: 2723 [2020-10-28 19:55:51,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2020-10-28 19:55:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 1734. [2020-10-28 19:55:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-10-28 19:55:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2578 transitions. [2020-10-28 19:55:51,677 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2578 transitions. Word has length 219 [2020-10-28 19:55:51,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:51,678 INFO L481 AbstractCegarLoop]: Abstraction has 1734 states and 2578 transitions. [2020-10-28 19:55:51,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2578 transitions. [2020-10-28 19:55:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:55:51,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:51,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:51,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:55:51,682 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:51,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:51,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1435159876, now seen corresponding path program 1 times [2020-10-28 19:55:51,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:51,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813241852] [2020-10-28 19:55:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:51,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:55,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:56,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:55:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 19:55:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-28 19:55:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,165 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:57,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:57,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:57,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:57,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:57,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:57,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:55:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:57,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:57,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:55:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:57,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:57,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:59,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:55:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2218 [2020-10-28 19:55:59,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 19:55:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:55:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:59,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:59,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:59,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:59,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:59,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:59,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:59,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:55:59,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:59,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:59,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:59,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:59,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:59,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:59,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813241852] [2020-10-28 19:55:59,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:59,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:59,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313851321] [2020-10-28 19:55:59,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:59,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:59,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:59,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:59,891 INFO L87 Difference]: Start difference. First operand 1734 states and 2578 transitions. Second operand 8 states. [2020-10-28 19:56:00,274 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:00,423 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:00,637 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:04,699 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:05,458 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:16,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:16,896 INFO L93 Difference]: Finished difference Result 7043 states and 11175 transitions. [2020-10-28 19:56:16,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:16,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:56:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:16,933 INFO L225 Difference]: With dead ends: 7043 [2020-10-28 19:56:16,933 INFO L226 Difference]: Without dead ends: 5339 [2020-10-28 19:56:16,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2020-10-28 19:56:17,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 3442. [2020-10-28 19:56:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3442 states. [2020-10-28 19:56:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 5132 transitions. [2020-10-28 19:56:17,719 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 5132 transitions. Word has length 219 [2020-10-28 19:56:17,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:17,720 INFO L481 AbstractCegarLoop]: Abstraction has 3442 states and 5132 transitions. [2020-10-28 19:56:17,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 5132 transitions. [2020-10-28 19:56:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:56:17,724 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:17,724 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:17,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:56:17,725 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:17,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:17,725 INFO L82 PathProgramCache]: Analyzing trace with hash -513239525, now seen corresponding path program 1 times [2020-10-28 19:56:17,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:17,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194148710] [2020-10-28 19:56:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:17,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:22,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:56:22,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,186 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:56:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:23,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:56:23,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:56:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:56:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:56:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:56:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:24,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:56:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3802 [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:27,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:56:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:56:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:56:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:27,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194148710] [2020-10-28 19:56:27,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:27,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:56:27,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140343655] [2020-10-28 19:56:27,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:56:27,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:27,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:56:27,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:56:27,483 INFO L87 Difference]: Start difference. First operand 3442 states and 5132 transitions. Second operand 8 states. [2020-10-28 19:56:27,893 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:28,074 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:56:28,289 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:56:35,885 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 19:56:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:42,441 INFO L93 Difference]: Finished difference Result 13832 states and 21518 transitions. [2020-10-28 19:56:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:42,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-28 19:56:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:42,506 INFO L225 Difference]: With dead ends: 13832 [2020-10-28 19:56:42,506 INFO L226 Difference]: Without dead ends: 10419 [2020-10-28 19:56:42,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:56:42,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10419 states. [2020-10-28 19:56:44,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10419 to 6992. [2020-10-28 19:56:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6992 states. [2020-10-28 19:56:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10520 transitions. [2020-10-28 19:56:44,160 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10520 transitions. Word has length 219 [2020-10-28 19:56:44,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:44,160 INFO L481 AbstractCegarLoop]: Abstraction has 6992 states and 10520 transitions. [2020-10-28 19:56:44,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10520 transitions. [2020-10-28 19:56:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:56:44,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:44,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:44,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:56:44,163 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:44,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:44,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1691975899, now seen corresponding path program 1 times [2020-10-28 19:56:44,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:44,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574326590] [2020-10-28 19:56:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 19:56:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,612 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:56:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:49,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:56:49,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:49,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:56:49,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:56:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:49,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:56:49,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:49,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:56:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:56:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:50,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:56:53,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:53,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3560 [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:56:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:56:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:53,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:53,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574326590] [2020-10-28 19:56:53,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:53,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:56:53,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207644970] [2020-10-28 19:56:53,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:56:53,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:53,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:56:53,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:56:53,693 INFO L87 Difference]: Start difference. First operand 6992 states and 10520 transitions. Second operand 9 states. [2020-10-28 19:56:54,093 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:54,245 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:56:54,473 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:02,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:02,567 INFO L93 Difference]: Finished difference Result 17145 states and 26486 transitions. [2020-10-28 19:57:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:02,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2020-10-28 19:57:02,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:02,618 INFO L225 Difference]: With dead ends: 17145 [2020-10-28 19:57:02,618 INFO L226 Difference]: Without dead ends: 10182 [2020-10-28 19:57:02,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10182 states. [2020-10-28 19:57:03,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10182 to 6992. [2020-10-28 19:57:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6992 states. [2020-10-28 19:57:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10464 transitions. [2020-10-28 19:57:03,990 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10464 transitions. Word has length 219 [2020-10-28 19:57:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:03,990 INFO L481 AbstractCegarLoop]: Abstraction has 6992 states and 10464 transitions. [2020-10-28 19:57:03,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10464 transitions. [2020-10-28 19:57:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:57:03,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:03,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:03,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:57:03,993 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:03,994 INFO L82 PathProgramCache]: Analyzing trace with hash 239091227, now seen corresponding path program 1 times [2020-10-28 19:57:03,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:03,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525865618] [2020-10-28 19:57:03,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:04,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:04,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:57:09,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:09,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 19:57:09,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,450 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:09,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:09,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:09,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:09,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:09,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:09,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:09,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:09,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:09,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:10,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3553 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:13,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:13,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:13,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525865618] [2020-10-28 19:57:13,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:13,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:13,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028248086] [2020-10-28 19:57:13,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:13,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:13,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:13,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:13,408 INFO L87 Difference]: Start difference. First operand 6992 states and 10464 transitions. Second operand 9 states. [2020-10-28 19:57:13,838 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:13,990 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:14,225 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:23,571 INFO L93 Difference]: Finished difference Result 17121 states and 26318 transitions. [2020-10-28 19:57:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:23,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2020-10-28 19:57:23,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:23,619 INFO L225 Difference]: With dead ends: 17121 [2020-10-28 19:57:23,619 INFO L226 Difference]: Without dead ends: 10158 [2020-10-28 19:57:23,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:23,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10158 states. [2020-10-28 19:57:24,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10158 to 6992. [2020-10-28 19:57:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6992 states. [2020-10-28 19:57:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10408 transitions. [2020-10-28 19:57:24,826 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10408 transitions. Word has length 219 [2020-10-28 19:57:24,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:24,826 INFO L481 AbstractCegarLoop]: Abstraction has 6992 states and 10408 transitions. [2020-10-28 19:57:24,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10408 transitions. [2020-10-28 19:57:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:57:24,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:24,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:24,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:57:24,828 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:24,829 INFO L82 PathProgramCache]: Analyzing trace with hash -361965349, now seen corresponding path program 1 times [2020-10-28 19:57:24,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:24,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58179936] [2020-10-28 19:57:24,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:24,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:25,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:57:29,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,290 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:30,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:30,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:30,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:30,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:30,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:30,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:30,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:30,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:30,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:31,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3675 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:34,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58179936] [2020-10-28 19:57:34,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:34,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:34,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019280040] [2020-10-28 19:57:34,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:34,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:34,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:34,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:34,428 INFO L87 Difference]: Start difference. First operand 6992 states and 10408 transitions. Second operand 9 states. [2020-10-28 19:57:34,851 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:35,015 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:35,234 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:44,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:44,166 INFO L93 Difference]: Finished difference Result 17097 states and 26150 transitions. [2020-10-28 19:57:44,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:44,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2020-10-28 19:57:44,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:44,204 INFO L225 Difference]: With dead ends: 17097 [2020-10-28 19:57:44,204 INFO L226 Difference]: Without dead ends: 10134 [2020-10-28 19:57:44,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:44,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10134 states. [2020-10-28 19:57:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10134 to 6992. [2020-10-28 19:57:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6992 states. [2020-10-28 19:57:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10352 transitions. [2020-10-28 19:57:45,531 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10352 transitions. Word has length 219 [2020-10-28 19:57:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:45,531 INFO L481 AbstractCegarLoop]: Abstraction has 6992 states and 10352 transitions. [2020-10-28 19:57:45,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10352 transitions. [2020-10-28 19:57:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:57:45,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:45,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:45,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:57:45,534 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:45,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:45,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1558308379, now seen corresponding path program 1 times [2020-10-28 19:57:45,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:45,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895367944] [2020-10-28 19:57:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:45,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:46,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:50,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 19:57:50,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:50,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:57:50,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 19:57:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:50,951 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:50,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:50,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:50,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:50,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:51,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:51,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:51,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:51,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:51,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:51,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:51,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:51,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:51,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:51,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:51,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:51,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:51,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:54,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3506 [2020-10-28 19:57:54,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:54,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:54,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:54,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895367944] [2020-10-28 19:57:54,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:54,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:54,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106833087] [2020-10-28 19:57:54,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:54,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:54,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:54,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:54,861 INFO L87 Difference]: Start difference. First operand 6992 states and 10352 transitions. Second operand 9 states. [2020-10-28 19:57:55,269 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:55,421 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:55,635 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:58:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:03,341 INFO L93 Difference]: Finished difference Result 17073 states and 25982 transitions. [2020-10-28 19:58:03,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:58:03,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2020-10-28 19:58:03,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:03,379 INFO L225 Difference]: With dead ends: 17073 [2020-10-28 19:58:03,379 INFO L226 Difference]: Without dead ends: 10110 [2020-10-28 19:58:03,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:58:03,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10110 states. [2020-10-28 19:58:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10110 to 6992. [2020-10-28 19:58:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6992 states. [2020-10-28 19:58:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 10296 transitions. [2020-10-28 19:58:04,638 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 10296 transitions. Word has length 219 [2020-10-28 19:58:04,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:04,638 INFO L481 AbstractCegarLoop]: Abstraction has 6992 states and 10296 transitions. [2020-10-28 19:58:04,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:58:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 10296 transitions. [2020-10-28 19:58:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-28 19:58:04,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:04,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:04,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 19:58:04,641 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:04,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:04,641 INFO L82 PathProgramCache]: Analyzing trace with hash -319409957, now seen corresponding path program 1 times [2020-10-28 19:58:04,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:04,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978864501] [2020-10-28 19:58:04,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:04,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking...