/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:54:47,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:54:47,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:54:47,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:54:47,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:54:47,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:54:47,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:54:47,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:54:47,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:54:47,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:54:47,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:54:47,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:54:47,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:54:47,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:54:47,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:54:47,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:54:47,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:54:47,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:54:47,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:54:47,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:54:47,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:54:47,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:54:47,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:54:47,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:54:47,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:54:47,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:54:47,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:54:47,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:54:47,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:54:47,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:54:47,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:54:47,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:54:47,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:54:47,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:54:47,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:54:47,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:54:47,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:54:47,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:54:47,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:54:47,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:54:47,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:54:47,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 19:54:47,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:54:47,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:54:47,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:54:47,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:54:47,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:54:47,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:54:47,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:54:47,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:54:47,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:54:47,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:54:47,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:54:47,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:54:47,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:54:47,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:54:47,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:54:47,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:54:47,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:54:47,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:54:47,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:54:47,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:54:47,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:54:47,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:47,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:54:47,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:54:47,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:54:47,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:54:47,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:54:47,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:54:47,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:54:47,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:54:47,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:54:48,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:54:48,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:54:48,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:54:48,018 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:54:48,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-28 19:54:48,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a077c5f14/01c4689b8b0a41c3877da3f7dd9c7b13/FLAGfd6b4ee27 [2020-10-28 19:54:48,818 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:54:48,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-28 19:54:48,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a077c5f14/01c4689b8b0a41c3877da3f7dd9c7b13/FLAGfd6b4ee27 [2020-10-28 19:54:49,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a077c5f14/01c4689b8b0a41c3877da3f7dd9c7b13 [2020-10-28 19:54:49,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:54:49,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:54:49,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:49,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:54:49,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:54:49,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a5f09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49, skipping insertion in model container [2020-10-28 19:54:49,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:54:49,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:54:49,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:49,515 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:54:49,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:49,655 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:54:49,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49 WrapperNode [2020-10-28 19:54:49,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:49,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:54:49,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:54:49,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:54:49,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:54:49,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:54:49,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:54:49,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:54:49,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:54:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:54:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:54:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:54:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:54:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:54:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:54:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:54:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:54:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:54:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:54:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:54:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:54:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:54:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 19:54:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 19:54:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:54:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:54:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:54:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:54:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:54:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:54:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:54:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:54:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:54:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:54:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:54:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:54:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:54:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:54:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:54:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:54:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:54:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:54:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:54:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:54:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:54:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:54:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 19:54:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:54:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:54:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:54:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:54:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:54:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:54:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:54:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 19:54:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 19:54:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:54:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:54:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:54:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:54:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:54:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:54:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:54:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:54:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:54:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:54:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:54:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:54:51,398 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:54:51,399 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-28 19:54:51,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:51 BoogieIcfgContainer [2020-10-28 19:54:51,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:54:51,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:54:51,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:54:51,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:54:51,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:54:49" (1/3) ... [2020-10-28 19:54:51,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:51, skipping insertion in model container [2020-10-28 19:54:51,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (2/3) ... [2020-10-28 19:54:51,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716cba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:51, skipping insertion in model container [2020-10-28 19:54:51,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:51" (3/3) ... [2020-10-28 19:54:51,412 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-2.c [2020-10-28 19:54:51,424 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:54:51,430 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:54:51,443 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:54:51,474 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:54:51,474 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:54:51,474 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:54:51,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:54:51,475 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:54:51,475 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:54:51,475 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:54:51,475 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:54:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states. [2020-10-28 19:54:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:54:51,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:51,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:51,528 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:51,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1940037805, now seen corresponding path program 1 times [2020-10-28 19:54:51,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:51,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040315759] [2020-10-28 19:54:51,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:52,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:55,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:56,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:56,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:54:56,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-28 19:54:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 19:54:56,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:56,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:54:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:54:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:54:57,569 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:54:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:57,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:57,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:57,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:54:57,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:57,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:54:57,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:54:57,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 19:54:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:57,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:54:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:54:57,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:54:57,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:54:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:57,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:54:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:54:58,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:54:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-28 19:54:58,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:54:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:54:58,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:54:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:54:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:54:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:54:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:54:58,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:54:58,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:54:58,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:54:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:58,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,485 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 19:54:58,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040315759] [2020-10-28 19:54:58,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:58,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:58,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548713644] [2020-10-28 19:54:58,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:58,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:58,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:58,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:58,514 INFO L87 Difference]: Start difference. First operand 448 states. Second operand 8 states. [2020-10-28 19:54:59,015 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 19:54:59,181 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:54:59,687 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:54:59,921 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:55:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:08,774 INFO L93 Difference]: Finished difference Result 1151 states and 1880 transitions. [2020-10-28 19:55:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:55:08,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:55:08,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:08,820 INFO L225 Difference]: With dead ends: 1151 [2020-10-28 19:55:08,820 INFO L226 Difference]: Without dead ends: 716 [2020-10-28 19:55:08,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:55:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-28 19:55:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 436. [2020-10-28 19:55:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-28 19:55:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 637 transitions. [2020-10-28 19:55:09,116 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 637 transitions. Word has length 218 [2020-10-28 19:55:09,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:09,116 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 637 transitions. [2020-10-28 19:55:09,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 637 transitions. [2020-10-28 19:55:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:55:09,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:09,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:09,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:55:09,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:09,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1867855765, now seen corresponding path program 1 times [2020-10-28 19:55:09,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:09,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321830601] [2020-10-28 19:55:09,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:09,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:09,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:11,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:12,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:13,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:55:14,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 19:55:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 19:55:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:55:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:55:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:14,648 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:14,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:14,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:14,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:14,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:14,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:14,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:14,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:14,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:14,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:14,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:14,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:14,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:14,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:14,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:14,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 19:55:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:55:14,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:14,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:14,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:14,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:15,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:55:15,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-28 19:55:15,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:55:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:15,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:15,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:55:15,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:15,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:15,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,365 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 19:55:15,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321830601] [2020-10-28 19:55:15,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:15,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:15,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687902343] [2020-10-28 19:55:15,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:15,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:15,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:15,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:15,372 INFO L87 Difference]: Start difference. First operand 436 states and 637 transitions. Second operand 8 states. [2020-10-28 19:55:15,798 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-28 19:55:15,959 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:16,365 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:16,562 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:55:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:24,391 INFO L93 Difference]: Finished difference Result 1135 states and 1733 transitions. [2020-10-28 19:55:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:55:24,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:55:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:24,400 INFO L225 Difference]: With dead ends: 1135 [2020-10-28 19:55:24,400 INFO L226 Difference]: Without dead ends: 716 [2020-10-28 19:55:24,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-28 19:55:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 436. [2020-10-28 19:55:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-28 19:55:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 636 transitions. [2020-10-28 19:55:24,512 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 636 transitions. Word has length 218 [2020-10-28 19:55:24,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:24,512 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 636 transitions. [2020-10-28 19:55:24,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 636 transitions. [2020-10-28 19:55:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:55:24,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:24,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:24,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:55:24,517 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:24,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1654238679, now seen corresponding path program 1 times [2020-10-28 19:55:24,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:24,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895218322] [2020-10-28 19:55:24,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:24,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:29,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:29,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:55:29,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-28 19:55:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,021 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:30,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:30,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:55:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:55:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:30,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 19:55:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:55:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:30,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:30,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:30,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:30,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:30,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:55:30,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:30,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:30,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:30,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,824 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 19:55:30,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895218322] [2020-10-28 19:55:30,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:30,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:30,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629230812] [2020-10-28 19:55:30,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:30,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:30,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:30,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:30,828 INFO L87 Difference]: Start difference. First operand 436 states and 636 transitions. Second operand 8 states. [2020-10-28 19:55:31,247 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:31,409 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:31,643 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:36,198 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:36,754 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:47,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:47,863 INFO L93 Difference]: Finished difference Result 1791 states and 2806 transitions. [2020-10-28 19:55:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:47,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:55:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:47,876 INFO L225 Difference]: With dead ends: 1791 [2020-10-28 19:55:47,876 INFO L226 Difference]: Without dead ends: 1385 [2020-10-28 19:55:47,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:55:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-28 19:55:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 862. [2020-10-28 19:55:48,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-28 19:55:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1271 transitions. [2020-10-28 19:55:48,079 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1271 transitions. Word has length 218 [2020-10-28 19:55:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:48,080 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1271 transitions. [2020-10-28 19:55:48,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1271 transitions. [2020-10-28 19:55:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:55:48,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:48,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:48,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:55:48,084 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:48,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash 512591286, now seen corresponding path program 1 times [2020-10-28 19:55:48,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:48,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300955695] [2020-10-28 19:55:48,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:55:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:53,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-28 19:55:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:53,606 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:55:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:53,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 19:55:53,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:53,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:53,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:53,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:53,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:53,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:53,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:53,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:53,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:53,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:53,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:53,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:55:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:55:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:53,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:53,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:55:53,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:53,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:55:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:53,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 19:55:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 19:55:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:55:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:54,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:55:54,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:55:54,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:54,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:54,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:55:54,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:55:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:55:54,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:55:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:54,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:54,754 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 19:55:54,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300955695] [2020-10-28 19:55:54,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:54,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:54,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955925045] [2020-10-28 19:55:54,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:54,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:54,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:54,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:54,758 INFO L87 Difference]: Start difference. First operand 862 states and 1271 transitions. Second operand 8 states. [2020-10-28 19:55:55,180 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:55:55,343 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:55:55,573 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:00,095 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:00,759 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:12,621 INFO L93 Difference]: Finished difference Result 3529 states and 5559 transitions. [2020-10-28 19:56:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:12,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:56:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:12,642 INFO L225 Difference]: With dead ends: 3529 [2020-10-28 19:56:12,642 INFO L226 Difference]: Without dead ends: 2697 [2020-10-28 19:56:12,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:12,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2020-10-28 19:56:12,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1709. [2020-10-28 19:56:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2020-10-28 19:56:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2533 transitions. [2020-10-28 19:56:12,991 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2533 transitions. Word has length 218 [2020-10-28 19:56:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:12,992 INFO L481 AbstractCegarLoop]: Abstraction has 1709 states and 2533 transitions. [2020-10-28 19:56:12,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2533 transitions. [2020-10-28 19:56:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:56:12,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:12,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:12,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:56:12,996 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash 591709141, now seen corresponding path program 1 times [2020-10-28 19:56:12,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:12,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698331065] [2020-10-28 19:56:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:13,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:16,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:16,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:16,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:17,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:56:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-28 19:56:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,439 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:56:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:18,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:56:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:56:18,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:56:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:18,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:56:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:18,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:56:18,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:56:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:19,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:56:20,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:56:20,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1822 [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:56:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:56:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:56:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:56:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:20,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:20,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:56:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:56:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:56:20,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:56:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:20,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:20,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:20,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:20,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:20,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:20,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:20,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:20,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698331065] [2020-10-28 19:56:20,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:20,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:56:20,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905167609] [2020-10-28 19:56:20,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:56:20,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:20,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:56:20,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:56:20,775 INFO L87 Difference]: Start difference. First operand 1709 states and 2533 transitions. Second operand 8 states. [2020-10-28 19:56:21,213 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:21,379 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:21,610 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:25,787 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 19:56:26,570 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:38,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:38,291 INFO L93 Difference]: Finished difference Result 6968 states and 11040 transitions. [2020-10-28 19:56:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:56:38,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:56:38,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:38,324 INFO L225 Difference]: With dead ends: 6968 [2020-10-28 19:56:38,324 INFO L226 Difference]: Without dead ends: 5289 [2020-10-28 19:56:38,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:56:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5289 states. [2020-10-28 19:56:39,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5289 to 3393. [2020-10-28 19:56:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3393 states. [2020-10-28 19:56:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 5043 transitions. [2020-10-28 19:56:39,072 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 5043 transitions. Word has length 218 [2020-10-28 19:56:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:39,073 INFO L481 AbstractCegarLoop]: Abstraction has 3393 states and 5043 transitions. [2020-10-28 19:56:39,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:56:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 5043 transitions. [2020-10-28 19:56:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:56:39,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:39,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:39,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:56:39,078 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:39,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash -625477482, now seen corresponding path program 1 times [2020-10-28 19:56:39,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:39,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304613376] [2020-10-28 19:56:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:39,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:39,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:56:44,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:56:44,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:56:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,536 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:56:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:44,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:44,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:56:44,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:44,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:56:44,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:44,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:44,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:56:44,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:56:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:56:44,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:44,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:56:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:44,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:44,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:56:49,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4420 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:49,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:56:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:56:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:56:49,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:56:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:56:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:56:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:49,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:49,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:49,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:49,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304613376] [2020-10-28 19:56:49,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:49,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:56:49,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88435387] [2020-10-28 19:56:49,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:56:49,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:49,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:56:49,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:56:49,440 INFO L87 Difference]: Start difference. First operand 3393 states and 5043 transitions. Second operand 8 states. [2020-10-28 19:56:49,843 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:56:49,998 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:56:50,215 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:56:58,415 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 19:57:05,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:05,167 INFO L93 Difference]: Finished difference Result 13877 states and 21611 transitions. [2020-10-28 19:57:05,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:57:05,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-28 19:57:05,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:05,225 INFO L225 Difference]: With dead ends: 13877 [2020-10-28 19:57:05,225 INFO L226 Difference]: Without dead ends: 10513 [2020-10-28 19:57:05,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:57:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10513 states. [2020-10-28 19:57:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10513 to 6895. [2020-10-28 19:57:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6895 states. [2020-10-28 19:57:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 10334 transitions. [2020-10-28 19:57:06,897 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 10334 transitions. Word has length 218 [2020-10-28 19:57:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:06,897 INFO L481 AbstractCegarLoop]: Abstraction has 6895 states and 10334 transitions. [2020-10-28 19:57:06,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:57:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 10334 transitions. [2020-10-28 19:57:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:57:06,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:06,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:06,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:57:06,899 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:06,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2078362154, now seen corresponding path program 1 times [2020-10-28 19:57:06,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:06,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950599258] [2020-10-28 19:57:06,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:07,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:07,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:07,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:11,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:11,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:57:11,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:11,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:57:11,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:11,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:11,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:11,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:11,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 19:57:11,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,380 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:12,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:12,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:12,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:12,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:12,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:12,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:16,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3492 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:16,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:16,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:16,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:16,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:16,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:16,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:16,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:16,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950599258] [2020-10-28 19:57:16,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:16,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:16,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055711369] [2020-10-28 19:57:16,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:16,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:16,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:16,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:16,322 INFO L87 Difference]: Start difference. First operand 6895 states and 10334 transitions. Second operand 9 states. [2020-10-28 19:57:16,747 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:16,905 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:17,137 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:26,428 INFO L93 Difference]: Finished difference Result 17135 states and 26467 transitions. [2020-10-28 19:57:26,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:26,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-28 19:57:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:26,481 INFO L225 Difference]: With dead ends: 17135 [2020-10-28 19:57:26,481 INFO L226 Difference]: Without dead ends: 10269 [2020-10-28 19:57:26,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10269 states. [2020-10-28 19:57:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10269 to 6895. [2020-10-28 19:57:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6895 states. [2020-10-28 19:57:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 10278 transitions. [2020-10-28 19:57:27,725 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 10278 transitions. Word has length 218 [2020-10-28 19:57:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:27,725 INFO L481 AbstractCegarLoop]: Abstraction has 6895 states and 10278 transitions. [2020-10-28 19:57:27,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 10278 transitions. [2020-10-28 19:57:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:57:27,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:27,727 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:27,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:57:27,727 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:27,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:27,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1615548566, now seen corresponding path program 1 times [2020-10-28 19:57:27,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:27,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124759095] [2020-10-28 19:57:27,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:27,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:27,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:27,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:32,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:32,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 19:57:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,186 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:33,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:33,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:33,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:33,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:33,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:33,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:33,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:57:33,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:33,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:33,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:33,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:33,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:33,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:33,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3946 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:37,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:37,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:37,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:37,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:37,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124759095] [2020-10-28 19:57:37,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:37,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:37,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172913338] [2020-10-28 19:57:37,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:37,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:37,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:37,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:37,640 INFO L87 Difference]: Start difference. First operand 6895 states and 10278 transitions. Second operand 9 states. [2020-10-28 19:57:38,094 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:38,258 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:38,493 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:47,500 INFO L93 Difference]: Finished difference Result 17103 states and 26283 transitions. [2020-10-28 19:57:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:47,501 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-28 19:57:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:47,544 INFO L225 Difference]: With dead ends: 17103 [2020-10-28 19:57:47,545 INFO L226 Difference]: Without dead ends: 10237 [2020-10-28 19:57:47,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:47,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10237 states. [2020-10-28 19:57:48,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10237 to 6895. [2020-10-28 19:57:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6895 states. [2020-10-28 19:57:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 10222 transitions. [2020-10-28 19:57:48,698 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 10222 transitions. Word has length 218 [2020-10-28 19:57:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:48,699 INFO L481 AbstractCegarLoop]: Abstraction has 6895 states and 10222 transitions. [2020-10-28 19:57:48,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 10222 transitions. [2020-10-28 19:57:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:57:48,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:48,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:48,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:57:48,701 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:48,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:48,701 INFO L82 PathProgramCache]: Analyzing trace with hash -759145002, now seen corresponding path program 1 times [2020-10-28 19:57:48,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:48,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227171212] [2020-10-28 19:57:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:48,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:48,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:53,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:57:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,170 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:57:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:54,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:54,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:54,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:54,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:54,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:57:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:57:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:57:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:57:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:57:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3332 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:57:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:57:57,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:57:57,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:57:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:57:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:57,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:57,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:57,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:57,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227171212] [2020-10-28 19:57:57,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:57,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:57,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138312878] [2020-10-28 19:57:57,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:57,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:57,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:57,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:57,923 INFO L87 Difference]: Start difference. First operand 6895 states and 10222 transitions. Second operand 9 states. [2020-10-28 19:57:58,368 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:57:58,536 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:57:58,777 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:58:08,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:08,006 INFO L93 Difference]: Finished difference Result 17071 states and 26099 transitions. [2020-10-28 19:58:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:58:08,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-28 19:58:08,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:08,045 INFO L225 Difference]: With dead ends: 17071 [2020-10-28 19:58:08,045 INFO L226 Difference]: Without dead ends: 10205 [2020-10-28 19:58:08,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:58:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10205 states. [2020-10-28 19:58:09,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10205 to 6895. [2020-10-28 19:58:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6895 states. [2020-10-28 19:58:09,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 10166 transitions. [2020-10-28 19:58:09,368 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 10166 transitions. Word has length 218 [2020-10-28 19:58:09,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:09,369 INFO L481 AbstractCegarLoop]: Abstraction has 6895 states and 10166 transitions. [2020-10-28 19:58:09,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:58:09,369 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 10166 transitions. [2020-10-28 19:58:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-28 19:58:09,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:09,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:09,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:58:09,371 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:09,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:09,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1658103958, now seen corresponding path program 1 times [2020-10-28 19:58:09,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:09,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514856338] [2020-10-28 19:58:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:09,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:09,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:09,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:09,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:58:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:58:14,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 19:58:14,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:14,882 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-28 19:58:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:14,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:14,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:58:14,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:14,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:58:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:14,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:14,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:14,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:14,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:14,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:14,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:14,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:14,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:58:14,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:14,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:14,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:14,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:14,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:14,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:14,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:58:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:58:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:58:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 19:58:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 19:58:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 19:58:18,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:58:18,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3677 [2020-10-28 19:58:18,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-28 19:58:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:58:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:58:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:58:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:58:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:58:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:58:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:58:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:58:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:58:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:58:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:58:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-28 19:58:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:58:18,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:58:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:18,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:58:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:18,991 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 19:58:18,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514856338] [2020-10-28 19:58:18,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:58:18,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:58:18,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175816784] [2020-10-28 19:58:18,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:58:18,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:58:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:58:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:58:18,993 INFO L87 Difference]: Start difference. First operand 6895 states and 10166 transitions. Second operand 9 states. [2020-10-28 19:58:19,448 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-28 19:58:19,612 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 19:58:19,840 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111