/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=SHALLOWEST --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.08.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:36:59,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:36:59,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:36:59,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:36:59,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:36:59,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:36:59,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:36:59,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:36:59,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:36:59,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:36:59,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:36:59,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:36:59,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:36:59,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:36:59,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:36:59,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:36:59,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:36:59,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:36:59,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:36:59,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:36:59,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:36:59,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:36:59,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:36:59,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:36:59,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:36:59,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:36:59,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:36:59,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:36:59,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:36:59,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:36:59,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:36:59,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:36:59,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:36:59,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:36:59,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:36:59,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:36:59,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:36:59,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:36:59,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:36:59,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:36:59,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:36:59,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:36:59,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:36:59,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:36:59,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:36:59,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:36:59,872 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:36:59,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:36:59,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:36:59,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:36:59,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:36:59,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:36:59,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:36:59,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:36:59,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:36:59,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:36:59,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:36:59,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:36:59,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:36:59,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:36:59,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:36:59,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:36:59,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:36:59,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:36:59,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:36:59,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:36:59,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:36:59,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:36:59,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:36:59,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:36:59,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:36:59,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:37:00,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:37:00,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:37:00,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:37:00,368 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:37:00,369 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:37:00,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-1.c [2020-10-27 06:37:00,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0142768c5/ebc0e503dce9418489f7beffff66bd9e/FLAG47cdf43f1 [2020-10-27 06:37:01,064 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:37:01,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-1.c [2020-10-27 06:37:01,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0142768c5/ebc0e503dce9418489f7beffff66bd9e/FLAG47cdf43f1 [2020-10-27 06:37:01,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0142768c5/ebc0e503dce9418489f7beffff66bd9e [2020-10-27 06:37:01,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:37:01,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:37:01,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:37:01,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:37:01,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:37:01,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d3f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:01, skipping insertion in model container [2020-10-27 06:37:01,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:37:01" (1/1) ... [2020-10-27 06:37:01,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:37:01,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:37:01,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:37:01,831 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:37:01,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:37:02,032 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:37:02,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02 WrapperNode [2020-10-27 06:37:02,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:37:02,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:37:02,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:37:02,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:37:02,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (1/1) ... [2020-10-27 06:37:02,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:37:02,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:37:02,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:37:02,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:37:02,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (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 [2020-10-27 06:37:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:37:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:37:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:37:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:37:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:37:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:37:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:37:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:37:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:37:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:37:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:37:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:37:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:37:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:37:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:37:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:37:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:37:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:37:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:37:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:37:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:37:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:37:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:37:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:37:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:37:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:37:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:37:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:37:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:37:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:37:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:37:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:37:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:37:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:37:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:37:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:37:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:37:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:37:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:37:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:37:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:37:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:37:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:37:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:37:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:37:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:37:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:37:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:37:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:37:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:37:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:37:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:37:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:37:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:37:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:37:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:37:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:37:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:37:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:37:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:37:03,748 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:37:03,749 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-27 06:37:03,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:37:03 BoogieIcfgContainer [2020-10-27 06:37:03,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:37:03,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:37:03,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:37:03,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:37:03,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:37:01" (1/3) ... [2020-10-27 06:37:03,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e9f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:37:03, skipping insertion in model container [2020-10-27 06:37:03,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:37:02" (2/3) ... [2020-10-27 06:37:03,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e9f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:37:03, skipping insertion in model container [2020-10-27 06:37:03,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:37:03" (3/3) ... [2020-10-27 06:37:03,762 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-1.c [2020-10-27 06:37:03,777 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:37:03,783 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:37:03,799 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:37:03,837 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:37:03,838 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:37:03,838 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:37:03,838 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:37:03,838 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:37:03,838 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:37:03,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:37:03,839 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:37:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states. [2020-10-27 06:37:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:37:03,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:03,891 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] [2020-10-27 06:37:03,892 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:03,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:03,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2066023672, now seen corresponding path program 1 times [2020-10-27 06:37:03,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:03,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205802533] [2020-10-27 06:37:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:05,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:05,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:37:09,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 06:37:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 06:37:09,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:37:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:37:09,933 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:37:09,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:09,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:09,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:09,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:09,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:37:09,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:37:10,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:10,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:10,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:10,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:37:10,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:10,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:10,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:37:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:37:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:37:10,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:37:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:37:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:37:11,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:37:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1235 [2020-10-27 06:37:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:37:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:37:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:37:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:37:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:11,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:37:11,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:37:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:37:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:37:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:11,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:37:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:11,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:11,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:37:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:37:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:11,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:37:11,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205802533] [2020-10-27 06:37:11,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:11,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:37:11,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107174078] [2020-10-27 06:37:11,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:37:11,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:11,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:37:11,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:37:11,978 INFO L87 Difference]: Start difference. First operand 358 states. Second operand 13 states. [2020-10-27 06:37:12,573 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:37:12,775 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:13,081 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:37:15,474 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:16,094 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:37:16,356 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:37:16,922 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:17,188 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:37:17,739 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:37:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:28,006 INFO L93 Difference]: Finished difference Result 934 states and 1536 transitions. [2020-10-27 06:37:28,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:37:28,009 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 06:37:28,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:28,032 INFO L225 Difference]: With dead ends: 934 [2020-10-27 06:37:28,032 INFO L226 Difference]: Without dead ends: 590 [2020-10-27 06:37:28,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-27 06:37:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-27 06:37:28,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 351. [2020-10-27 06:37:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-27 06:37:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 502 transitions. [2020-10-27 06:37:28,223 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 502 transitions. Word has length 176 [2020-10-27 06:37:28,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:28,223 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 502 transitions. [2020-10-27 06:37:28,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:37:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 502 transitions. [2020-10-27 06:37:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:37:28,229 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:28,230 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] [2020-10-27 06:37:28,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:37:28,230 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash -766269386, now seen corresponding path program 1 times [2020-10-27 06:37:28,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:28,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801166675] [2020-10-27 06:37:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:28,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:28,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:32,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:32,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:37:33,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:33,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 06:37:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:33,837 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:37:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:33,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:33,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:37:33,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:33,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:33,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:33,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:33,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:33,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:33,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:33,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:33,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:33,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:33,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:33,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:37:34,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:34,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:37:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:37:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:37:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:37:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:37:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 507 [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 06:37:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 06:37:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:34,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:34,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:37:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:37:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:34,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:37:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:34,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:37:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:37:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:34,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:37:34,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:37:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:37:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:37:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:34,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:34,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:34,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:37:34,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801166675] [2020-10-27 06:37:34,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:34,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:37:34,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867395225] [2020-10-27 06:37:34,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:37:34,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:34,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:37:34,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:37:34,914 INFO L87 Difference]: Start difference. First operand 351 states and 502 transitions. Second operand 8 states. [2020-10-27 06:37:35,489 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:37:35,684 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:37:35,969 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:37:39,907 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:37:41,032 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:37:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:52,510 INFO L93 Difference]: Finished difference Result 1420 states and 2187 transitions. [2020-10-27 06:37:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:37:52,511 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-27 06:37:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:52,523 INFO L225 Difference]: With dead ends: 1420 [2020-10-27 06:37:52,523 INFO L226 Difference]: Without dead ends: 1096 [2020-10-27 06:37:52,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:37:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2020-10-27 06:37:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 689. [2020-10-27 06:37:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-27 06:37:52,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 995 transitions. [2020-10-27 06:37:52,692 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 995 transitions. Word has length 176 [2020-10-27 06:37:52,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:52,693 INFO L481 AbstractCegarLoop]: Abstraction has 689 states and 995 transitions. [2020-10-27 06:37:52,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:37:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 995 transitions. [2020-10-27 06:37:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:37:52,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:52,697 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] [2020-10-27 06:37:52,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:37:52,697 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:52,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:52,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1667285879, now seen corresponding path program 1 times [2020-10-27 06:37:52,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:52,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092681231] [2020-10-27 06:37:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:52,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:52,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:52,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:57,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:57,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 06:37:57,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,380 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:37:58,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:58,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:58,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:58,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:37:58,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:58,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:58,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:58,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:58,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:58,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:58,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:37:58,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:58,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:37:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:37:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:58,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:58,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:37:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:58,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:37:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:58,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:37:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:37:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-27 06:37:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:37:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:37:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:37:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:59,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:37:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:59,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:59,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:37:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:59,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:37:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:59,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:37:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:37:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:37:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:37:59,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:59,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:37:59,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:37:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:59,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:37:59,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092681231] [2020-10-27 06:37:59,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:59,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:37:59,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375691192] [2020-10-27 06:37:59,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:37:59,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:59,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:37:59,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:38:00,000 INFO L87 Difference]: Start difference. First operand 689 states and 995 transitions. Second operand 13 states. [2020-10-27 06:38:00,597 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:00,810 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:01,158 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:01,596 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:38:03,694 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:38:04,283 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-27 06:38:04,520 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:05,089 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:05,297 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:38:05,852 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:38:10,512 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:38:11,675 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 06:38:12,237 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:38:12,793 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:38:13,016 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:13,559 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 06:38:13,753 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 06:38:20,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:20,230 INFO L93 Difference]: Finished difference Result 2048 states and 3124 transitions. [2020-10-27 06:38:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:38:20,234 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 06:38:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:20,245 INFO L225 Difference]: With dead ends: 2048 [2020-10-27 06:38:20,245 INFO L226 Difference]: Without dead ends: 1385 [2020-10-27 06:38:20,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:38:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-27 06:38:20,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 890. [2020-10-27 06:38:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-27 06:38:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1236 transitions. [2020-10-27 06:38:20,444 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1236 transitions. Word has length 176 [2020-10-27 06:38:20,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:20,444 INFO L481 AbstractCegarLoop]: Abstraction has 890 states and 1236 transitions. [2020-10-27 06:38:20,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:38:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1236 transitions. [2020-10-27 06:38:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:38:20,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:20,448 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] [2020-10-27 06:38:20,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:38:20,448 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:20,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:20,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1578196454, now seen corresponding path program 1 times [2020-10-27 06:38:20,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:20,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606999101] [2020-10-27 06:38:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:21,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:23,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:25,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:38:25,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 06:38:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:38:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:38:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 06:38:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,058 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:38:26,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:26,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:38:26,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:26,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:38:26,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:38:26,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:38:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:38:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:38:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:38:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:38:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:38:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:38:26,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:38:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:38:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:38:26,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:26,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:38:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:26,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:38:26,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:38:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:38:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:26,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:38:26,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606999101] [2020-10-27 06:38:26,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:26,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:38:26,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840258918] [2020-10-27 06:38:26,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:38:26,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:26,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:38:26,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:38:26,805 INFO L87 Difference]: Start difference. First operand 890 states and 1236 transitions. Second operand 13 states. [2020-10-27 06:38:27,314 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:27,517 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:27,841 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:30,425 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:30,979 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:38:31,239 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:31,852 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:32,103 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:32,654 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:36,985 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:38:38,678 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:38:39,272 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:39,545 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:40,146 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:38:40,397 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:38:40,967 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:38:45,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:45,309 INFO L93 Difference]: Finished difference Result 2577 states and 3797 transitions. [2020-10-27 06:38:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:38:45,310 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 06:38:45,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:45,321 INFO L225 Difference]: With dead ends: 2577 [2020-10-27 06:38:45,321 INFO L226 Difference]: Without dead ends: 1713 [2020-10-27 06:38:45,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:38:45,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2020-10-27 06:38:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1116. [2020-10-27 06:38:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-27 06:38:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1499 transitions. [2020-10-27 06:38:45,497 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1499 transitions. Word has length 176 [2020-10-27 06:38:45,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:45,498 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1499 transitions. [2020-10-27 06:38:45,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:38:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1499 transitions. [2020-10-27 06:38:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:38:45,500 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:45,501 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] [2020-10-27 06:38:45,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:38:45,501 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:45,502 INFO L82 PathProgramCache]: Analyzing trace with hash -2109847847, now seen corresponding path program 1 times [2020-10-27 06:38:45,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:45,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002212880] [2020-10-27 06:38:45,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:45,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:45,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:50,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:38:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:38:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:38:50,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:38:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:38:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,020 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:38:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:51,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 06:38:51,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:51,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:51,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:51,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:51,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:51,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:51,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:38:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:51,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:38:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:38:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:38:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:38:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:38:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:38:51,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:38:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 06:38:51,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:38:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:38:51,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:38:51,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:38:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:38:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:38:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:38:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:38:51,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:38:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:51,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:51,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:51,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:51,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:51,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:51,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:38:51,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002212880] [2020-10-27 06:38:51,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:51,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:38:51,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620913962] [2020-10-27 06:38:51,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:38:51,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:51,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:38:51,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:38:51,843 INFO L87 Difference]: Start difference. First operand 1116 states and 1499 transitions. Second operand 13 states. [2020-10-27 06:38:52,425 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:38:52,631 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:52,942 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:38:56,112 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:56,657 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:38:57,223 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:38:57,456 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:38:58,027 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:38:58,245 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:39:06,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:06,805 INFO L93 Difference]: Finished difference Result 2761 states and 3944 transitions. [2020-10-27 06:39:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:39:06,806 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 06:39:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:06,817 INFO L225 Difference]: With dead ends: 2761 [2020-10-27 06:39:06,817 INFO L226 Difference]: Without dead ends: 1671 [2020-10-27 06:39:06,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:39:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-10-27 06:39:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1126. [2020-10-27 06:39:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-10-27 06:39:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1499 transitions. [2020-10-27 06:39:07,060 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1499 transitions. Word has length 176 [2020-10-27 06:39:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:07,061 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 1499 transitions. [2020-10-27 06:39:07,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:39:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1499 transitions. [2020-10-27 06:39:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:39:07,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:07,063 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] [2020-10-27 06:39:07,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:39:07,064 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:07,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:07,064 INFO L82 PathProgramCache]: Analyzing trace with hash -671450145, now seen corresponding path program 1 times [2020-10-27 06:39:07,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:07,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892044648] [2020-10-27 06:39:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:07,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:07,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:08,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:10,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:39:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,617 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:12,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:12,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:12,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:12,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:12,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:39:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 06:39:12,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:39:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 06:39:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:39:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:13,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:39:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:13,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:13,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:13,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:39:13,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892044648] [2020-10-27 06:39:13,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:13,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:39:13,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167270987] [2020-10-27 06:39:13,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:39:13,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:13,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:39:13,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:39:13,221 INFO L87 Difference]: Start difference. First operand 1126 states and 1499 transitions. Second operand 13 states. [2020-10-27 06:39:13,816 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:14,033 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:14,369 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:14,773 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:39:17,824 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:39:18,446 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 06:39:19,074 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:39:19,322 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:39:19,956 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 06:39:20,167 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:39:23,855 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:39:26,137 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 06:39:26,675 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 06:39:27,226 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 06:39:27,448 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 06:39:28,111 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 06:39:28,307 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 06:39:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:32,760 INFO L93 Difference]: Finished difference Result 3059 states and 4305 transitions. [2020-10-27 06:39:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:39:32,762 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 176 [2020-10-27 06:39:32,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:32,773 INFO L225 Difference]: With dead ends: 3059 [2020-10-27 06:39:32,774 INFO L226 Difference]: Without dead ends: 1959 [2020-10-27 06:39:32,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:39:32,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-10-27 06:39:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1342. [2020-10-27 06:39:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2020-10-27 06:39:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1740 transitions. [2020-10-27 06:39:33,115 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1740 transitions. Word has length 176 [2020-10-27 06:39:33,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:33,116 INFO L481 AbstractCegarLoop]: Abstraction has 1342 states and 1740 transitions. [2020-10-27 06:39:33,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:39:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1740 transitions. [2020-10-27 06:39:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:39:33,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:33,119 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] [2020-10-27 06:39:33,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:39:33,120 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:33,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:33,120 INFO L82 PathProgramCache]: Analyzing trace with hash -431669091, now seen corresponding path program 1 times [2020-10-27 06:39:33,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:33,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986945133] [2020-10-27 06:39:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:33,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 06:39:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,677 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:38,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:38,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:38,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:38,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:38,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:38,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:38,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:38,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:38,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:39:38,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:38,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:38,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:39:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:39,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:39,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:39,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:39,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:39:39,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986945133] [2020-10-27 06:39:39,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:39,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:39:39,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637296255] [2020-10-27 06:39:39,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:39:39,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:39,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:39:39,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:39:39,224 INFO L87 Difference]: Start difference. First operand 1342 states and 1740 transitions. Second operand 10 states. [2020-10-27 06:39:39,770 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:39,966 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:40,249 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:47,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:47,398 INFO L93 Difference]: Finished difference Result 3259 states and 4403 transitions. [2020-10-27 06:39:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:39:47,404 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-27 06:39:47,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:47,416 INFO L225 Difference]: With dead ends: 3259 [2020-10-27 06:39:47,416 INFO L226 Difference]: Without dead ends: 1943 [2020-10-27 06:39:47,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:39:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-10-27 06:39:47,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1342. [2020-10-27 06:39:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2020-10-27 06:39:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1734 transitions. [2020-10-27 06:39:47,689 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1734 transitions. Word has length 176 [2020-10-27 06:39:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:47,689 INFO L481 AbstractCegarLoop]: Abstraction has 1342 states and 1734 transitions. [2020-10-27 06:39:47,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:39:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1734 transitions. [2020-10-27 06:39:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:39:47,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:47,691 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] [2020-10-27 06:39:47,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:39:47,692 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:47,692 INFO L82 PathProgramCache]: Analyzing trace with hash 227862431, now seen corresponding path program 1 times [2020-10-27 06:39:47,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:47,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449144457] [2020-10-27 06:39:47,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:52,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:52,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:39:52,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 06:39:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,280 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:39:53,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:53,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:39:53,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:39:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:53,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:39:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:39:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:53,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:53,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:39:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:39:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:39:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:53,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:39:53,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449144457] [2020-10-27 06:39:53,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:53,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:39:53,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615498722] [2020-10-27 06:39:53,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:39:53,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:53,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:39:53,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:39:53,717 INFO L87 Difference]: Start difference. First operand 1342 states and 1734 transitions. Second operand 9 states. [2020-10-27 06:39:54,322 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:39:54,523 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:54,802 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:39:59,312 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:40:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:04,489 INFO L93 Difference]: Finished difference Result 3527 states and 4803 transitions. [2020-10-27 06:40:04,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:40:04,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-27 06:40:04,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:04,500 INFO L225 Difference]: With dead ends: 3527 [2020-10-27 06:40:04,500 INFO L226 Difference]: Without dead ends: 2211 [2020-10-27 06:40:04,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:40:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2020-10-27 06:40:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1548. [2020-10-27 06:40:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1548 states. [2020-10-27 06:40:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 1965 transitions. [2020-10-27 06:40:04,850 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 1965 transitions. Word has length 176 [2020-10-27 06:40:04,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:04,851 INFO L481 AbstractCegarLoop]: Abstraction has 1548 states and 1965 transitions. [2020-10-27 06:40:04,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:40:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1965 transitions. [2020-10-27 06:40:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:40:04,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:04,853 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] [2020-10-27 06:40:04,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:40:04,853 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:04,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:04,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1780410333, now seen corresponding path program 1 times [2020-10-27 06:40:04,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:04,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359581443] [2020-10-27 06:40:04,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:05,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:07,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:09,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:09,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:40:09,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 06:40:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 06:40:09,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:40:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:09,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 06:40:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,398 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:40:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:10,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:40:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:40:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:40:10,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:40:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:40:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:40:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:40:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:10,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:40:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:10,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:10,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:10,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:10,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:10,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:10,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:10,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:10,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:40:11,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359581443] [2020-10-27 06:40:11,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:11,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:40:11,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025967674] [2020-10-27 06:40:11,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:40:11,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:11,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:40:11,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:40:11,004 INFO L87 Difference]: Start difference. First operand 1548 states and 1965 transitions. Second operand 10 states. [2020-10-27 06:40:11,549 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:40:11,740 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:12,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:16,889 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:40:18,077 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:40:18,397 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:23,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:23,430 INFO L93 Difference]: Finished difference Result 3945 states and 5287 transitions. [2020-10-27 06:40:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:40:23,432 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-27 06:40:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:23,443 INFO L225 Difference]: With dead ends: 3945 [2020-10-27 06:40:23,443 INFO L226 Difference]: Without dead ends: 2423 [2020-10-27 06:40:23,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:40:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2020-10-27 06:40:23,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1654. [2020-10-27 06:40:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-10-27 06:40:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2075 transitions. [2020-10-27 06:40:23,778 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2075 transitions. Word has length 176 [2020-10-27 06:40:23,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:23,779 INFO L481 AbstractCegarLoop]: Abstraction has 1654 states and 2075 transitions. [2020-10-27 06:40:23,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:40:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2075 transitions. [2020-10-27 06:40:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:40:23,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:23,781 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] [2020-10-27 06:40:23,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:40:23,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:23,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:23,782 INFO L82 PathProgramCache]: Analyzing trace with hash -394206939, now seen corresponding path program 1 times [2020-10-27 06:40:23,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:23,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272451131] [2020-10-27 06:40:23,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:23,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:23,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:23,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:28,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-27 06:40:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:40:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,322 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:40:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:29,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:40:29,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:29,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:29,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:40:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:40:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:29,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 06:40:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:40:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:40:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:29,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:29,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 06:40:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 06:40:29,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:29,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 06:40:29,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 06:40:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:29,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:29,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:40:29,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272451131] [2020-10-27 06:40:29,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:29,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:40:29,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949797792] [2020-10-27 06:40:29,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:40:29,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:29,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:40:29,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:40:29,759 INFO L87 Difference]: Start difference. First operand 1654 states and 2075 transitions. Second operand 9 states. [2020-10-27 06:40:30,311 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 06:40:30,502 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:30,779 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:40:38,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:38,930 INFO L93 Difference]: Finished difference Result 3977 states and 5192 transitions. [2020-10-27 06:40:38,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:40:38,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-27 06:40:38,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:38,940 INFO L225 Difference]: With dead ends: 3977 [2020-10-27 06:40:38,940 INFO L226 Difference]: Without dead ends: 2349 [2020-10-27 06:40:38,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:40:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2020-10-27 06:40:39,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 1654. [2020-10-27 06:40:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-10-27 06:40:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2069 transitions. [2020-10-27 06:40:39,252 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2069 transitions. Word has length 176 [2020-10-27 06:40:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:39,252 INFO L481 AbstractCegarLoop]: Abstraction has 1654 states and 2069 transitions. [2020-10-27 06:40:39,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:40:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2069 transitions. [2020-10-27 06:40:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 06:40:39,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:39,253 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] [2020-10-27 06:40:39,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:40:39,254 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:39,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1960565417, now seen corresponding path program 1 times [2020-10-27 06:40:39,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:39,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790589935] [2020-10-27 06:40:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:39,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:39,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking...