/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:58:40,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:58:40,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:58:40,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:58:40,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:58:40,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:58:40,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:58:40,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:58:40,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:58:40,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:58:40,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:58:40,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:58:40,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:58:40,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:58:40,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:58:40,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:58:40,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:58:40,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:58:40,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:58:40,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:58:40,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:58:40,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:58:40,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:58:40,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:58:40,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:58:40,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:58:40,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:58:40,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:58:40,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:58:40,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:58:40,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:58:40,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:58:40,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:58:40,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:58:40,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:58:40,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:58:40,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:58:40,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:58:40,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:58:40,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:58:40,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:58:40,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 19:58:40,439 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:58:40,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:58:40,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:58:40,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:58:40,442 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:58:40,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:58:40,442 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:58:40,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:58:40,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:58:40,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:58:40,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:58:40,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:58:40,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:58:40,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:58:40,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:58:40,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:58:40,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:58:40,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:58:40,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:58:40,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:58:40,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:58:40,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:58:40,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:58:40,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:58:40,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:58:40,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:58:40,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:58:40,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:58:40,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:58:40,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:58:40,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:58:40,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:58:40,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:58:40,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:58:40,852 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:58:40,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-28 19:58:40,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b02cfc0e/5ea88f2b088d49fdb4b76152bd6e931c/FLAGef4407325 [2020-10-28 19:58:41,629 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:58:41,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.09.cil.c [2020-10-28 19:58:41,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b02cfc0e/5ea88f2b088d49fdb4b76152bd6e931c/FLAGef4407325 [2020-10-28 19:58:41,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1b02cfc0e/5ea88f2b088d49fdb4b76152bd6e931c [2020-10-28 19:58:41,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:58:41,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:58:41,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:58:41,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:58:41,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:58:41,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:58:41" (1/1) ... [2020-10-28 19:58:41,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cde7d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:41, skipping insertion in model container [2020-10-28 19:58:41,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:58:41" (1/1) ... [2020-10-28 19:58:41,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:58:42,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:58:42,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:58:42,406 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:58:42,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:58:42,592 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:58:42,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42 WrapperNode [2020-10-28 19:58:42,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:58:42,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:58:42,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:58:42,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:58:42,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... [2020-10-28 19:58:42,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:58:42,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:58:42,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:58:42,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:58:42,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:58:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:58:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:58:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:58:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:58:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:58:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:58:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:58:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:58:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:58:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:58:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:58:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:58:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:58:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:58:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:58:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:58:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:58:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:58:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:58:43,698 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:58:43,699 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-28 19:58:43,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:58:43 BoogieIcfgContainer [2020-10-28 19:58:43,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:58:43,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:58:43,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:58:43,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:58:43,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:58:41" (1/3) ... [2020-10-28 19:58:43,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a26483c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:58:43, skipping insertion in model container [2020-10-28 19:58:43,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:58:42" (2/3) ... [2020-10-28 19:58:43,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a26483c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:58:43, skipping insertion in model container [2020-10-28 19:58:43,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:58:43" (3/3) ... [2020-10-28 19:58:43,711 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.09.cil.c [2020-10-28 19:58:43,723 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:58:43,729 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:58:43,743 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:58:43,775 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:58:43,775 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:58:43,775 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:58:43,775 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:58:43,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:58:43,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:58:43,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:58:43,776 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:58:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states. [2020-10-28 19:58:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 19:58:43,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:43,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:43,826 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:43,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:43,834 INFO L82 PathProgramCache]: Analyzing trace with hash 406695533, now seen corresponding path program 1 times [2020-10-28 19:58:43,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:43,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729503349] [2020-10-28 19:58:43,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:44,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:44,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:44,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:44,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:45,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 19:58:49,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:58:49,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 19:58:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:58:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:58:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-28 19:58:49,604 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 19:58:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:49,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:49,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:49,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:49,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:49,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:58:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:58:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:49,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:49,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:49,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:49,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:49,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:49,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:58:49,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:58:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 19:58:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:58:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:49,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:58:49,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:58:49,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:49,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:58:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 19:58:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:49,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:49,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:51,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:58:54,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 19:58:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:58:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:58:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:54,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:54,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:54,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:58:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:54,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:54,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 19:58:54,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:54,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:54,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:54,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:54,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 19:58:54,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:58:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:54,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:54,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:54,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:54,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:54,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:54,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:54,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:55,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:58:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:55,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:55,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:58:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:55,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:55,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:58:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:55,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:58:55,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:58:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:55,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:58:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 19:58:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:58:55,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:55,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:58:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:55,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:55,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:58:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:55,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:58:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:55,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:58:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:58:55,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729503349] [2020-10-28 19:58:55,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:58:55,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:58:55,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113957954] [2020-10-28 19:58:55,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:58:55,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:58:55,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:58:55,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:58:55,211 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 8 states. [2020-10-28 19:58:55,538 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 19:58:55,970 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 19:59:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:02,501 INFO L93 Difference]: Finished difference Result 985 states and 1600 transitions. [2020-10-28 19:59:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:59:02,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-28 19:59:02,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:02,526 INFO L225 Difference]: With dead ends: 985 [2020-10-28 19:59:02,527 INFO L226 Difference]: Without dead ends: 605 [2020-10-28 19:59:02,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:59:02,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-28 19:59:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 371. [2020-10-28 19:59:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-10-28 19:59:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 535 transitions. [2020-10-28 19:59:02,733 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 535 transitions. Word has length 196 [2020-10-28 19:59:02,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:02,733 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 535 transitions. [2020-10-28 19:59:02,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:59:02,734 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 535 transitions. [2020-10-28 19:59:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 19:59:02,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:02,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:02,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:59:02,740 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:02,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:02,741 INFO L82 PathProgramCache]: Analyzing trace with hash -65644113, now seen corresponding path program 1 times [2020-10-28 19:59:02,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:02,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157766746] [2020-10-28 19:59:02,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:02,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:02,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:02,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:02,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:03,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:03,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:07,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:07,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 19:59:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:59:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:59:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,087 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 19:59:08,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:08,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:08,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:08,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:08,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:08,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:08,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:08,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:08,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:08,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:08,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:59:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:59:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:08,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:59:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:08,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 19:59:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:08,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:59:13,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:59:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:59:13,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 19:59:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:13,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:59:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:59:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:59:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:59:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 19:59:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:13,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:59:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:59:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:13,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:13,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157766746] [2020-10-28 19:59:13,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:13,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:59:13,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867730] [2020-10-28 19:59:13,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:59:13,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:13,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:59:13,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:59:13,488 INFO L87 Difference]: Start difference. First operand 371 states and 535 transitions. Second operand 8 states. [2020-10-28 19:59:13,784 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 19:59:14,201 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 19:59:14,362 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-28 19:59:20,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:20,250 INFO L93 Difference]: Finished difference Result 953 states and 1438 transitions. [2020-10-28 19:59:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:59:20,251 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-28 19:59:20,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:20,258 INFO L225 Difference]: With dead ends: 953 [2020-10-28 19:59:20,258 INFO L226 Difference]: Without dead ends: 605 [2020-10-28 19:59:20,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:59:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-28 19:59:20,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 371. [2020-10-28 19:59:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-10-28 19:59:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 534 transitions. [2020-10-28 19:59:20,355 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 534 transitions. Word has length 196 [2020-10-28 19:59:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:20,356 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 534 transitions. [2020-10-28 19:59:20,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:59:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 534 transitions. [2020-10-28 19:59:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 19:59:20,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:20,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:20,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:59:20,360 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:20,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1302816497, now seen corresponding path program 1 times [2020-10-28 19:59:20,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:20,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336082751] [2020-10-28 19:59:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:20,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:25,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-28 19:59:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:25,799 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 19:59:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:25,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:25,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:25,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:25,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 19:59:25,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:25,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:25,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:25,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:25,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:25,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:25,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:25,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:25,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:25,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:25,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:25,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:25,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:25,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:25,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:25,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:25,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:25,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:25,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:25,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:59:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:59:25,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:25,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:59:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:26,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:26,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:26,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:59:26,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:26,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:26,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:26,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 19:59:26,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:26,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 19:59:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:26,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:26,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:28,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:59:31,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:59:31,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:59:31,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:59:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:59:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:59:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:31,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:59:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:59:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:59:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:59:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:59:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:59:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:31,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 19:59:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:59:31,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:59:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:31,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:31,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:31,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:31,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:31,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:31,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:31,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:31,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:59:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:31,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336082751] [2020-10-28 19:59:31,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:31,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 19:59:31,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331481318] [2020-10-28 19:59:31,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:59:31,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:31,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:59:31,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:59:31,477 INFO L87 Difference]: Start difference. First operand 371 states and 534 transitions. Second operand 11 states. [2020-10-28 19:59:31,852 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 19:59:33,381 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-10-28 19:59:33,714 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-28 19:59:34,049 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2020-10-28 19:59:34,384 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2020-10-28 19:59:34,660 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 19:59:39,025 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 19:59:39,383 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-28 19:59:39,708 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 19:59:40,045 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-28 19:59:40,888 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 19:59:48,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:59:48,086 INFO L93 Difference]: Finished difference Result 1570 states and 2473 transitions. [2020-10-28 19:59:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 19:59:48,087 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2020-10-28 19:59:48,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:59:48,096 INFO L225 Difference]: With dead ends: 1570 [2020-10-28 19:59:48,097 INFO L226 Difference]: Without dead ends: 1227 [2020-10-28 19:59:48,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-10-28 19:59:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-10-28 19:59:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 740. [2020-10-28 19:59:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-28 19:59:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1074 transitions. [2020-10-28 19:59:48,289 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1074 transitions. Word has length 196 [2020-10-28 19:59:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:59:48,290 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1074 transitions. [2020-10-28 19:59:48,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:59:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1074 transitions. [2020-10-28 19:59:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-28 19:59:48,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:59:48,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:59:48,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:59:48,294 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:59:48,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:59:48,295 INFO L82 PathProgramCache]: Analyzing trace with hash 783678000, now seen corresponding path program 1 times [2020-10-28 19:59:48,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:59:48,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686061296] [2020-10-28 19:59:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:59:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:48,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:48,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:51,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:51,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-28 19:59:53,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:59:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:59:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:59:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:59:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-28 19:59:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,602 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 19:59:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:59:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:59:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:59:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:59:53,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:59:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:59:53,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:53,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:59:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:59:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:59:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:53,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:53,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 19:59:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:53,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 19:59:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:53,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:53,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 19:59:58,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:59:58,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:59:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:59:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:59:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:59:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:59:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:59:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:59:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:59:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:59:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:59:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:59:58,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:59:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 19:59:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:59:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:59:58,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:59:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:59:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:59:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:59:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:59:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:59:58,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686061296] [2020-10-28 19:59:58,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:59:58,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:59:58,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749099695] [2020-10-28 19:59:58,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:59:58,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:59:58,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:59:58,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:59:58,983 INFO L87 Difference]: Start difference. First operand 740 states and 1074 transitions. Second operand 8 states. [2020-10-28 19:59:59,295 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 19:59:59,602 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 20:00:03,369 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:00:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:11,524 INFO L93 Difference]: Finished difference Result 3007 states and 4683 transitions. [2020-10-28 20:00:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 20:00:11,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-10-28 20:00:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:11,540 INFO L225 Difference]: With dead ends: 3007 [2020-10-28 20:00:11,540 INFO L226 Difference]: Without dead ends: 2295 [2020-10-28 20:00:11,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 20:00:11,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2295 states. [2020-10-28 20:00:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2295 to 1461. [2020-10-28 20:00:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2020-10-28 20:00:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2135 transitions. [2020-10-28 20:00:11,820 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2135 transitions. Word has length 196 [2020-10-28 20:00:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:11,821 INFO L481 AbstractCegarLoop]: Abstraction has 1461 states and 2135 transitions. [2020-10-28 20:00:11,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 20:00:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2135 transitions. [2020-10-28 20:00:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-28 20:00:11,832 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:11,833 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:11,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 20:00:11,835 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:11,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:11,835 INFO L82 PathProgramCache]: Analyzing trace with hash -342287960, now seen corresponding path program 1 times [2020-10-28 20:00:11,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:11,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145702597] [2020-10-28 20:00:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:11,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:11,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:12,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:16,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-28 20:00:16,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:00:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 20:00:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,191 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 20:00:17,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:17,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:17,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 20:00:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:17,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4608 [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 20:00:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:21,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:21,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:21,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:21,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:21,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:21,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:21,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:21,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:21,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:21,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:21,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:21,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:21,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:21,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:22,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:00:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:00:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:00:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:00:22,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:00:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:00:22,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:00:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:22,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:00:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 20:00:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 20:00:22,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 20:00:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-28 20:00:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:22,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-28 20:00:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:22,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:22,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 20:00:22,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145702597] [2020-10-28 20:00:22,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:22,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:00:22,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400736516] [2020-10-28 20:00:22,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:00:22,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:22,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:00:22,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:00:22,171 INFO L87 Difference]: Start difference. First operand 1461 states and 2135 transitions. Second operand 10 states. [2020-10-28 20:00:22,510 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:00:23,840 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:00:24,116 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 20:00:25,379 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 20:00:25,650 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:00:53,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:00:53,597 INFO L93 Difference]: Finished difference Result 9980 states and 18585 transitions. [2020-10-28 20:00:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 20:00:53,598 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-10-28 20:00:53,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:00:53,679 INFO L225 Difference]: With dead ends: 9980 [2020-10-28 20:00:53,680 INFO L226 Difference]: Without dead ends: 8547 [2020-10-28 20:00:53,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2020-10-28 20:00:53,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8547 states. [2020-10-28 20:00:55,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8547 to 5645. [2020-10-28 20:00:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5645 states. [2020-10-28 20:00:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 5645 states and 9484 transitions. [2020-10-28 20:00:55,115 INFO L78 Accepts]: Start accepts. Automaton has 5645 states and 9484 transitions. Word has length 222 [2020-10-28 20:00:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:00:55,116 INFO L481 AbstractCegarLoop]: Abstraction has 5645 states and 9484 transitions. [2020-10-28 20:00:55,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:00:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5645 states and 9484 transitions. [2020-10-28 20:00:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-28 20:00:55,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:55,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:00:55,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 20:00:55,125 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash 75108646, now seen corresponding path program 1 times [2020-10-28 20:00:55,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:55,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706871215] [2020-10-28 20:00:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:55,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:55,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:57,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:57,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:58,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-28 20:01:00,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:01:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 20:01:00,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-10-28 20:01:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 20:01:00,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,480 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 20:01:00,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:00,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:00,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:01:00,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:01:00,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:00,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:00,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 20:01:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:00,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 20:01:05,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 20:01:05,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 20:01:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 20:01:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 20:01:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-28 20:01:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-28 20:01:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 20:01:05,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706871215] [2020-10-28 20:01:05,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 20:01:05,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 20:01:05,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846313557] [2020-10-28 20:01:05,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 20:01:05,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:05,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 20:01:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 20:01:05,782 INFO L87 Difference]: Start difference. First operand 5645 states and 9484 transitions. Second operand 8 states. [2020-10-28 20:01:06,118 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:01:06,243 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 20:01:06,435 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:01:08,623 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:01:22,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:22,232 INFO L93 Difference]: Finished difference Result 21349 states and 40936 transitions. [2020-10-28 20:01:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 20:01:22,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2020-10-28 20:01:22,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:22,371 INFO L225 Difference]: With dead ends: 21349 [2020-10-28 20:01:22,371 INFO L226 Difference]: Without dead ends: 15736 [2020-10-28 20:01:22,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-28 20:01:22,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15736 states. [2020-10-28 20:01:25,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15736 to 11444. [2020-10-28 20:01:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11444 states. [2020-10-28 20:01:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 20806 transitions. [2020-10-28 20:01:25,227 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 20806 transitions. Word has length 222 [2020-10-28 20:01:25,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:25,228 INFO L481 AbstractCegarLoop]: Abstraction has 11444 states and 20806 transitions. [2020-10-28 20:01:25,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 20:01:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 20806 transitions. [2020-10-28 20:01:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-28 20:01:25,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:25,240 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:01:25,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 20:01:25,240 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:25,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:25,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1170917640, now seen corresponding path program 1 times [2020-10-28 20:01:25,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:25,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72648001] [2020-10-28 20:01:25,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:26,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 20:01:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:30,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 20:01:30,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,630 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 20:01:30,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 20:01:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 20:01:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 20:01:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 20:01:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:01:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:01:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:01:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:01:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 20:01:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 20:01:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-28 20:01:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-28 20:01:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,997 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 20:01:35,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72648001] [2020-10-28 20:01:35,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:35,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 20:01:35,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647535503] [2020-10-28 20:01:35,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 20:01:35,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:35,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 20:01:36,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 20:01:36,000 INFO L87 Difference]: Start difference. First operand 11444 states and 20806 transitions. Second operand 10 states. [2020-10-28 20:01:36,334 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:01:36,465 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:01:36,659 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:01:40,617 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:01:54,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:54,500 INFO L93 Difference]: Finished difference Result 38631 states and 79764 transitions. [2020-10-28 20:01:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 20:01:54,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-10-28 20:01:54,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:54,661 INFO L225 Difference]: With dead ends: 38631 [2020-10-28 20:01:54,661 INFO L226 Difference]: Without dead ends: 27217 [2020-10-28 20:01:54,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-10-28 20:01:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27217 states. [2020-10-28 20:01:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27217 to 19647. [2020-10-28 20:01:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19647 states. [2020-10-28 20:01:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19647 states to 19647 states and 34147 transitions. [2020-10-28 20:01:58,373 INFO L78 Accepts]: Start accepts. Automaton has 19647 states and 34147 transitions. Word has length 224 [2020-10-28 20:01:58,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:58,373 INFO L481 AbstractCegarLoop]: Abstraction has 19647 states and 34147 transitions. [2020-10-28 20:01:58,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 20:01:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 19647 states and 34147 transitions. [2020-10-28 20:01:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-28 20:01:58,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:58,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 20:01:58,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 20:01:58,388 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:58,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:58,388 INFO L82 PathProgramCache]: Analyzing trace with hash -341588293, now seen corresponding path program 1 times [2020-10-28 20:01:58,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:58,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455020604] [2020-10-28 20:01:58,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:58,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:58,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:58,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:58,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:58,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-28 20:02:03,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 20:02:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:02:03,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 20:02:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:03,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 20:02:03,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,734 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-28 20:02:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:03,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:03,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 20:02:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 20:02:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:03,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 20:02:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:03,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:04,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1683 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 20:02:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 20:02:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:05,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:05,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:05,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-28 20:02:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 20:02:05,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:02:05,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 20:02:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 20:02:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:05,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-28 20:02:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-28 20:02:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:05,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 20:02:05,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455020604] [2020-10-28 20:02:05,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:05,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:05,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343914202] [2020-10-28 20:02:05,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:05,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:05,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:05,802 INFO L87 Difference]: Start difference. First operand 19647 states and 34147 transitions. Second operand 9 states. [2020-10-28 20:02:06,127 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-28 20:02:06,255 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:02:06,447 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:02:09,555 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-28 20:02:10,265 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 180