/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.09.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:53:30,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:53:30,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:53:30,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:53:30,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:53:30,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:53:30,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:53:30,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:53:30,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:53:30,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:53:30,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:53:30,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:53:30,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:53:30,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:53:30,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:53:30,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:53:30,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:53:30,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:53:30,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:53:30,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:53:30,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:53:30,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:53:30,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:53:30,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:53:30,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:53:30,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:53:30,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:53:30,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:53:30,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:53:30,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:53:30,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:53:30,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:53:30,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:53:30,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:53:30,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:53:30,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:53:30,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:53:30,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:53:30,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:53:30,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:53:30,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:53:30,423 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 19:53:30,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:53:30,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:53:30,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:53:30,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:53:30,454 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:53:30,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:53:30,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:53:30,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:53:30,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:53:30,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:53:30,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:53:30,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:53:30,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:53:30,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:53:30,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:53:30,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:53:30,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:53:30,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:53:30,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:53:30,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:53:30,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:53:30,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:53:30,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:53:30,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:53:30,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:53:30,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:53:30,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:53:30,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:53:30,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:53:30,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:53:30,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:53:30,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:53:30,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:53:30,890 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:53:30,891 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:53:30,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.09.cil-2.c [2020-10-28 19:53:30,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e0ec7e6f/4eaaaf0990394c90b97cd22c64d7fa7d/FLAGf48c105e0 [2020-10-28 19:53:31,750 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:53:31,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.09.cil-2.c [2020-10-28 19:53:31,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e0ec7e6f/4eaaaf0990394c90b97cd22c64d7fa7d/FLAGf48c105e0 [2020-10-28 19:53:32,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e0ec7e6f/4eaaaf0990394c90b97cd22c64d7fa7d [2020-10-28 19:53:32,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:53:32,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:53:32,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:53:32,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:53:32,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:53:32,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2f7196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32, skipping insertion in model container [2020-10-28 19:53:32,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:53:32,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:53:32,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:53:32,496 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:53:32,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:53:32,719 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:53:32,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32 WrapperNode [2020-10-28 19:53:32,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:53:32,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:53:32,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:53:32,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:53:32,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... [2020-10-28 19:53:32,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:53:32,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:53:32,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:53:32,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:53:32,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:53:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:53:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:53:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:53:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:53:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:53:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:53:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:53:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:53:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:53:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:53:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:53:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:53:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:53:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:53:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:53:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:53:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:53:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:53:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:53:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:53:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:53:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:53:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:53:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:53:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:53:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:53:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:53:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:53:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:53:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:53:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:53:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:53:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:53:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:53:34,322 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:53:34,322 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-28 19:53:34,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:53:34 BoogieIcfgContainer [2020-10-28 19:53:34,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:53:34,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:53:34,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:53:34,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:53:34,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:53:32" (1/3) ... [2020-10-28 19:53:34,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b948e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:53:34, skipping insertion in model container [2020-10-28 19:53:34,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:32" (2/3) ... [2020-10-28 19:53:34,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b948e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:53:34, skipping insertion in model container [2020-10-28 19:53:34,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:53:34" (3/3) ... [2020-10-28 19:53:34,336 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.09.cil-2.c [2020-10-28 19:53:34,350 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:53:34,356 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:53:34,406 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:53:34,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:53:34,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:53:34,436 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:53:34,437 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:53:34,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:53:34,437 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:53:34,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:53:34,437 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:53:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states. [2020-10-28 19:53:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:53:34,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:34,498 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] [2020-10-28 19:53:34,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:34,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1535776747, now seen corresponding path program 1 times [2020-10-28 19:53:34,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:34,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245768565] [2020-10-28 19:53:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:35,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:39,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:39,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:53:39,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:53:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 19:53:39,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:39,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:39,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:53:39,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:53:39,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:53:40,325 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:53:40,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:40,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:40,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:40,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:53:40,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:40,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:40,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:40,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:40,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:40,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:40,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:53:40,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:40,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:40,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:53:40,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:40,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:40,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:40,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:40,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:40,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:40,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:40,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:40,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:53:40,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:53:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:40,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 19:53:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 19:53:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:40,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:53:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:40,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:53:40,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:53:40,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:40,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:53:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:40,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:53:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:40,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:53:45,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:53:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:53:45,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 19:53:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:45,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 19:53:45,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:53:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:53:45,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:53:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:53:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:53:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:53:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:53:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:53:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:45,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:45,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:45,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:53:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:53:45,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:53:45,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:53:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:53:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:45,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:45,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:45,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:45,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:45,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:45,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:45,878 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 19:53:45,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245768565] [2020-10-28 19:53:45,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:53:45,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:53:45,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104807229] [2020-10-28 19:53:45,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:53:45,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:53:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:53:45,908 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 8 states. [2020-10-28 19:53:46,297 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 19:53:46,839 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:53:47,027 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 19:53:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:54,271 INFO L93 Difference]: Finished difference Result 1011 states and 1646 transitions. [2020-10-28 19:53:54,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:53:54,277 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:53:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:54,300 INFO L225 Difference]: With dead ends: 1011 [2020-10-28 19:53:54,300 INFO L226 Difference]: Without dead ends: 621 [2020-10-28 19:53:54,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:53:54,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-10-28 19:53:54,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 383. [2020-10-28 19:53:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-28 19:53:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 557 transitions. [2020-10-28 19:53:54,563 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 557 transitions. Word has length 191 [2020-10-28 19:53:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:54,564 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 557 transitions. [2020-10-28 19:53:54,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:53:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 557 transitions. [2020-10-28 19:53:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:53:54,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:54,581 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] [2020-10-28 19:53:54,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:53:54,581 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:54,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1008382697, now seen corresponding path program 1 times [2020-10-28 19:53:54,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:54,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513318982] [2020-10-28 19:53:54,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:55,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:59,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:59,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:53:59,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:53:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 19:53:59,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:59,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:53:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:53:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 19:53:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:00,054 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:54:00,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:00,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:54:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:00,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:00,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:00,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:00,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:54:00,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:00,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:00,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:54:00,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:00,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:00,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:00,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:00,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:00,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:54:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:54:00,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:00,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:54:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:00,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:00,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:00,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:00,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:00,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:00,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:54:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:00,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:54:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:01,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:54:05,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:54:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:54:05,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 19:54:05,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 19:54:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:05,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:05,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:05,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:54:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:05,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:54:05,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:05,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:05,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:05,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:05,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:54:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:05,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:05,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:54:05,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:54:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:05,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:05,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:05,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:05,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:05,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:05,537 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 19:54:05,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513318982] [2020-10-28 19:54:05,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:05,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:05,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484976517] [2020-10-28 19:54:05,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:05,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:05,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:05,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:05,542 INFO L87 Difference]: Start difference. First operand 383 states and 557 transitions. Second operand 8 states. [2020-10-28 19:54:05,882 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:54:06,219 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:54:09,869 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:54:10,524 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:54:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:19,564 INFO L93 Difference]: Finished difference Result 1552 states and 2425 transitions. [2020-10-28 19:54:19,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:54:19,565 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:54:19,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:19,583 INFO L225 Difference]: With dead ends: 1552 [2020-10-28 19:54:19,583 INFO L226 Difference]: Without dead ends: 1197 [2020-10-28 19:54:19,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:54:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-10-28 19:54:19,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 753. [2020-10-28 19:54:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-10-28 19:54:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1107 transitions. [2020-10-28 19:54:19,767 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1107 transitions. Word has length 191 [2020-10-28 19:54:19,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:19,768 INFO L481 AbstractCegarLoop]: Abstraction has 753 states and 1107 transitions. [2020-10-28 19:54:19,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1107 transitions. [2020-10-28 19:54:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:54:19,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:19,771 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] [2020-10-28 19:54:19,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:54:19,771 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1154596566, now seen corresponding path program 1 times [2020-10-28 19:54:19,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:19,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999595637] [2020-10-28 19:54:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:19,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:19,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:20,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:24,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-28 19:54:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:25,271 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:54:25,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:25,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:25,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:25,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:54:25,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:25,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:25,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:25,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:25,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:25,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:25,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:25,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:25,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:25,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:25,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:25,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:25,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:25,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:25,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:25,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:25,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:25,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:25,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:25,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:54:25,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:25,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:25,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:25,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:54:25,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:25,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:25,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:25,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:54:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:54:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:25,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:28,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:54:30,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:54:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:30,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:54:30,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:30,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:30,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:30,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:30,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:30,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:54:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:54:30,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:30,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:30,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:54:30,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:30,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:54:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:30,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:54:30,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:54:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:54:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:30,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,838 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 19:54:30,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999595637] [2020-10-28 19:54:30,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:30,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:30,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474278985] [2020-10-28 19:54:30,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:30,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:30,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:30,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:30,843 INFO L87 Difference]: Start difference. First operand 753 states and 1107 transitions. Second operand 8 states. [2020-10-28 19:54:31,204 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:54:34,666 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:54:35,301 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:54:44,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:44,545 INFO L93 Difference]: Finished difference Result 3046 states and 4789 transitions. [2020-10-28 19:54:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:54:44,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:54:44,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:44,565 INFO L225 Difference]: With dead ends: 3046 [2020-10-28 19:54:44,565 INFO L226 Difference]: Without dead ends: 2321 [2020-10-28 19:54:44,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:54:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2020-10-28 19:54:44,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 1488. [2020-10-28 19:54:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2020-10-28 19:54:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2199 transitions. [2020-10-28 19:54:44,907 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2199 transitions. Word has length 191 [2020-10-28 19:54:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:44,908 INFO L481 AbstractCegarLoop]: Abstraction has 1488 states and 2199 transitions. [2020-10-28 19:54:44,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2199 transitions. [2020-10-28 19:54:44,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:54:44,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:44,911 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] [2020-10-28 19:54:44,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:54:44,912 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:44,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:44,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1155542025, now seen corresponding path program 1 times [2020-10-28 19:54:44,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:44,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170358132] [2020-10-28 19:54:44,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:44,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:45,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:46,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:54:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:54:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 19:54:49,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:49,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:54:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:54:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 19:54:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,292 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:54:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:54:50,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:50,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:50,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:50,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:54:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:50,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:50,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:50,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:50,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:54:50,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:50,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:54:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:54:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:50,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:54:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:54:55,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:54:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:54:55,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 19:54:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 19:54:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:55,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:55,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:55,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:55,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:54:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:55,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:55,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:55,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:54:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:54:55,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:54:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:55,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:55,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:55,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:55,723 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 19:54:55,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170358132] [2020-10-28 19:54:55,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:55,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:55,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229288330] [2020-10-28 19:54:55,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:55,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:55,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:55,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:55,727 INFO L87 Difference]: Start difference. First operand 1488 states and 2199 transitions. Second operand 8 states. [2020-10-28 19:54:56,044 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:55:00,145 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:55:09,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:09,947 INFO L93 Difference]: Finished difference Result 5997 states and 9492 transitions. [2020-10-28 19:55:09,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:09,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:55:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:09,987 INFO L225 Difference]: With dead ends: 5997 [2020-10-28 19:55:09,987 INFO L226 Difference]: Without dead ends: 4537 [2020-10-28 19:55:09,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:10,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4537 states. [2020-10-28 19:55:10,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4537 to 2948. [2020-10-28 19:55:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2948 states. [2020-10-28 19:55:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 4369 transitions. [2020-10-28 19:55:10,555 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 4369 transitions. Word has length 191 [2020-10-28 19:55:10,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:10,556 INFO L481 AbstractCegarLoop]: Abstraction has 2948 states and 4369 transitions. [2020-10-28 19:55:10,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 4369 transitions. [2020-10-28 19:55:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:55:10,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:10,559 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] [2020-10-28 19:55:10,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:55:10,560 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:10,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:10,560 INFO L82 PathProgramCache]: Analyzing trace with hash 152485160, now seen corresponding path program 1 times [2020-10-28 19:55:10,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:10,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45308685] [2020-10-28 19:55:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:11,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 19:55:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,912 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:55:15,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:15,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:55:16,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:16,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:55:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:55:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:55:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:18,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 19:55:21,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 19:55:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:21,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:21,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:21,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:21,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:21,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:55:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:55:21,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:55:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,319 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 19:55:21,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45308685] [2020-10-28 19:55:21,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:21,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:21,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944720876] [2020-10-28 19:55:21,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:21,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:21,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:21,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:21,321 INFO L87 Difference]: Start difference. First operand 2948 states and 4369 transitions. Second operand 8 states. [2020-10-28 19:55:21,678 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:55:21,807 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:55:21,997 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:55:25,801 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:55:35,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:35,516 INFO L93 Difference]: Finished difference Result 11825 states and 18882 transitions. [2020-10-28 19:55:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:35,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:55:35,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:35,576 INFO L225 Difference]: With dead ends: 11825 [2020-10-28 19:55:35,577 INFO L226 Difference]: Without dead ends: 8905 [2020-10-28 19:55:35,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:35,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2020-10-28 19:55:36,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 5848. [2020-10-28 19:55:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5848 states. [2020-10-28 19:55:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 5848 states and 8687 transitions. [2020-10-28 19:55:36,882 INFO L78 Accepts]: Start accepts. Automaton has 5848 states and 8687 transitions. Word has length 191 [2020-10-28 19:55:36,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:36,882 INFO L481 AbstractCegarLoop]: Abstraction has 5848 states and 8687 transitions. [2020-10-28 19:55:36,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5848 states and 8687 transitions. [2020-10-28 19:55:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 19:55:36,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:36,886 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] [2020-10-28 19:55:36,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:55:36,886 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:36,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash -812122391, now seen corresponding path program 1 times [2020-10-28 19:55:36,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:36,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620631342] [2020-10-28 19:55:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:38,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:38,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:41,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 19:55:41,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:55:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:55:41,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:41,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 19:55:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,279 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:55:42,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:42,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:42,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:42,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:42,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:55:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:55:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:55:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:55:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-28 19:55:47,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:55:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:55:47,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:55:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,659 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 19:55:47,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620631342] [2020-10-28 19:55:47,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:47,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:47,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039172527] [2020-10-28 19:55:47,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:47,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:47,662 INFO L87 Difference]: Start difference. First operand 5848 states and 8687 transitions. Second operand 8 states. [2020-10-28 19:55:48,005 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:55:48,136 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:55:48,326 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:55:53,876 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 19:56:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:02,648 INFO L93 Difference]: Finished difference Result 23136 states and 36891 transitions. [2020-10-28 19:56:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:02,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 19:56:02,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:02,751 INFO L225 Difference]: With dead ends: 23136 [2020-10-28 19:56:02,751 INFO L226 Difference]: Without dead ends: 17316 [2020-10-28 19:56:02,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17316 states. [2020-10-28 19:56:04,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17316 to 12366. [2020-10-28 19:56:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12366 states. [2020-10-28 19:56:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12366 states to 12366 states and 18626 transitions. [2020-10-28 19:56:04,909 INFO L78 Accepts]: Start accepts. Automaton has 12366 states and 18626 transitions. Word has length 191 [2020-10-28 19:56:04,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:04,909 INFO L481 AbstractCegarLoop]: Abstraction has 12366 states and 18626 transitions. [2020-10-28 19:56:04,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 12366 states and 18626 transitions. [2020-10-28 19:56:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-10-28 19:56:04,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:04,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:04,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:56:04,930 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:04,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:04,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2138719146, now seen corresponding path program 1 times [2020-10-28 19:56:04,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:04,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442250886] [2020-10-28 19:56:04,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:04,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:07,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 394 [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 19:56:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 19:56:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,331 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 19:56:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:10,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:56:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:56:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:56:10,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 19:56:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 19:56:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:15,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 19:56:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 19:56:15,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:56:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 19:56:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:15,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:15,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:15,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-28 19:56:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-28 19:56:20,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:20,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:56:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 19:56:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:25,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 19:56:25,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 19:56:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:56:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:25,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:25,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:56:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 19:56:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:56:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:30,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:56:30,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:56:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:30,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:31,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-10-28 19:56:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:31,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:31,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:31,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-28 19:56:31,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442250886] [2020-10-28 19:56:31,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:31,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 19:56:31,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838618129] [2020-10-28 19:56:31,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 19:56:31,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:31,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 19:56:31,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:56:31,090 INFO L87 Difference]: Start difference. First operand 12366 states and 18626 transitions. Second operand 14 states. [2020-10-28 19:56:31,273 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 19:56:33,385 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 19:56:33,643 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:56:34,025 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 19:56:34,345 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 19:56:34,709 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 19:56:35,058 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 19:56:35,239 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 19:56:35,618 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-28 19:56:35,793 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:56:36,144 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 19:56:36,319 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-28 19:56:36,698 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-28 19:56:36,835 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-28 19:56:37,182 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-28 19:56:40,574 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 19:56:42,230 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 19:56:46,397 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-28 19:56:46,819 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-28 19:56:47,123 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-28 19:56:47,470 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-28 19:56:47,707 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-28 19:56:48,048 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-28 19:57:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:00,723 INFO L93 Difference]: Finished difference Result 56333 states and 91800 transitions. [2020-10-28 19:57:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-28 19:57:00,724 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 316 [2020-10-28 19:57:00,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:00,954 INFO L225 Difference]: With dead ends: 56333 [2020-10-28 19:57:00,955 INFO L226 Difference]: Without dead ends: 43995 [2020-10-28 19:57:01,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2020-10-28 19:57:01,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43995 states. [2020-10-28 19:57:05,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43995 to 29164. [2020-10-28 19:57:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29164 states. [2020-10-28 19:57:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29164 states to 29164 states and 43148 transitions. [2020-10-28 19:57:06,088 INFO L78 Accepts]: Start accepts. Automaton has 29164 states and 43148 transitions. Word has length 316 [2020-10-28 19:57:06,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:06,089 INFO L481 AbstractCegarLoop]: Abstraction has 29164 states and 43148 transitions. [2020-10-28 19:57:06,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 19:57:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 29164 states and 43148 transitions. [2020-10-28 19:57:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-10-28 19:57:06,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:06,119 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:06,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:57:06,120 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:06,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:06,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1842899376, now seen corresponding path program 1 times [2020-10-28 19:57:06,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:06,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025692041] [2020-10-28 19:57:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:06,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking...