/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/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:48:42,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:48:42,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:48:42,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:48:42,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:48:42,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:48:42,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:48:42,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:48:42,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:48:42,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:48:42,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:48:42,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:48:42,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:48:42,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:48:42,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:48:42,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:48:42,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:48:42,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:48:42,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:48:42,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:48:42,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:48:42,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:48:42,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:48:42,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:48:42,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:48:42,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:48:42,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:48:42,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:48:42,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:48:42,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:48:42,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:48:42,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:48:42,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:48:42,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:48:42,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:48:42,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:48:42,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:48:42,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:48:42,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:48:42,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:48:42,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:48:42,429 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 19:48:42,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:48:42,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:48:42,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:48:42,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:48:42,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:48:42,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:48:42,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:48:42,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:48:42,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:48:42,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:48:42,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:48:42,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:48:42,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:48:42,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:48:42,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:48:42,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:48:42,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:48:42,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:48:42,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:48:42,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:48:42,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:48:42,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:48:42,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:48:42,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:48:42,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:48:42,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:48:42,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:48:42,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:48:42,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:48:42,495 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:48:42,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:48:42,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:48:42,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:48:43,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:48:43,001 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:48:43,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-28 19:48:43,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e000266e/1cde06bdf36b45039f7173b736f0358e/FLAGa12bd39e4 [2020-10-28 19:48:43,757 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:48:43,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-28 19:48:43,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e000266e/1cde06bdf36b45039f7173b736f0358e/FLAGa12bd39e4 [2020-10-28 19:48:44,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e000266e/1cde06bdf36b45039f7173b736f0358e [2020-10-28 19:48:44,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:48:44,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:48:44,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:48:44,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:48:44,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:48:44,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2c327e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44, skipping insertion in model container [2020-10-28 19:48:44,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:48:44,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:48:44,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:48:44,404 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:48:44,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:48:44,555 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:48:44,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44 WrapperNode [2020-10-28 19:48:44,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:48:44,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:48:44,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:48:44,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:48:44,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (1/1) ... [2020-10-28 19:48:44,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:48:44,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:48:44,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:48:44,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:48:44,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (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 19:48:44,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:48:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:48:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:48:44,701 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:48:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-28 19:48:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-28 19:48:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-28 19:48:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-28 19:48:44,702 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-28 19:48:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-28 19:48:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:48:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:48:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:48:44,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:48:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:48:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:48:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:48:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:48:44,704 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:48:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:48:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:48:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:48:44,705 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:48:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:48:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:48:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:48:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:48:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-28 19:48:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:48:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:48:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:48:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:48:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:48:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:48:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:48:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:48:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:48:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:48:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:48:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:48:45,431 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:48:45,432 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 19:48:45,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:48:45 BoogieIcfgContainer [2020-10-28 19:48:45,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:48:45,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:48:45,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:48:45,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:48:45,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:48:44" (1/3) ... [2020-10-28 19:48:45,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e11eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:48:45, skipping insertion in model container [2020-10-28 19:48:45,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:48:44" (2/3) ... [2020-10-28 19:48:45,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e11eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:48:45, skipping insertion in model container [2020-10-28 19:48:45,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:48:45" (3/3) ... [2020-10-28 19:48:45,444 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2020-10-28 19:48:45,457 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:48:45,464 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:48:45,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:48:45,549 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:48:45,549 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:48:45,549 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:48:45,549 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:48:45,550 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:48:45,550 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:48:45,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:48:45,553 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:48:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-28 19:48:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 19:48:45,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:48:45,616 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] [2020-10-28 19:48:45,617 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:48:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:48:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash 106700402, now seen corresponding path program 1 times [2020-10-28 19:48:45,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:48:45,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637545734] [2020-10-28 19:48:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:48:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:45,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:46,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:46,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:50,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:50,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-28 19:48:50,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:48:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 19:48:50,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:50,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:50,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:48:50,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-28 19:48:50,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:48:50,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:48:51,150 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 19:48:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:48:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:48:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:48:51,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:48:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:48:51,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:48:51,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:48:51,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:48:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:48:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:48:51,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:48:51,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:48:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:48:51,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:48:51,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:48:51,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:48:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:48:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:48:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 19:48:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:48:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:48:51,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:48:51,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:48:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:48:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:48:51,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:48:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:48:51,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:48:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:48:51,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:48:51,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:48:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:48:51,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:48:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:51,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:51,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:48:51,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:48:51,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:48:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:48:51,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:48:51,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:48:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:48:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:48:51,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:48:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:48:51,518 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 19:48:51,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637545734] [2020-10-28 19:48:51,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:48:51,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:48:51,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908413712] [2020-10-28 19:48:51,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:48:51,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:48:51,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:48:51,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:48:51,552 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 8 states. [2020-10-28 19:48:51,790 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 19:48:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:48:56,054 INFO L93 Difference]: Finished difference Result 566 states and 983 transitions. [2020-10-28 19:48:56,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 19:48:56,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-28 19:48:56,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:48:56,079 INFO L225 Difference]: With dead ends: 566 [2020-10-28 19:48:56,080 INFO L226 Difference]: Without dead ends: 423 [2020-10-28 19:48:56,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2020-10-28 19:48:56,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-28 19:48:56,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 228. [2020-10-28 19:48:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-28 19:48:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 306 transitions. [2020-10-28 19:48:56,241 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 306 transitions. Word has length 79 [2020-10-28 19:48:56,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:48:56,243 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 306 transitions. [2020-10-28 19:48:56,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:48:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 306 transitions. [2020-10-28 19:48:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 19:48:56,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:48:56,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:48:56,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:48:56,256 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:48:56,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:48:56,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1558331377, now seen corresponding path program 1 times [2020-10-28 19:48:56,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:48:56,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298586787] [2020-10-28 19:48:56,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:48:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:48:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:56,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:56,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:48:58,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 19:49:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:49:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:49:01,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:49:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:49:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 19:49:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:49:01,469 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 19:49:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:01,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:49:01,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:49:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:01,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:01,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:01,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:01,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:01,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:01,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:49:01,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 19:49:01,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:49:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:49:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:01,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:01,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:49:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:01,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:01,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:01,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:01,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:49:01,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:01,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:01,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:49:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:01,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:01,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:01,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:01,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:01,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:01,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:49:01,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:01,741 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 19:49:01,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298586787] [2020-10-28 19:49:01,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:01,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:49:01,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368788060] [2020-10-28 19:49:01,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:49:01,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:01,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:49:01,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:49:01,746 INFO L87 Difference]: Start difference. First operand 228 states and 306 transitions. Second operand 9 states. [2020-10-28 19:49:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:05,525 INFO L93 Difference]: Finished difference Result 953 states and 1594 transitions. [2020-10-28 19:49:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:49:05,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-28 19:49:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:05,547 INFO L225 Difference]: With dead ends: 953 [2020-10-28 19:49:05,547 INFO L226 Difference]: Without dead ends: 750 [2020-10-28 19:49:05,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2020-10-28 19:49:05,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-10-28 19:49:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 417. [2020-10-28 19:49:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-28 19:49:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 558 transitions. [2020-10-28 19:49:05,674 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 558 transitions. Word has length 80 [2020-10-28 19:49:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:05,674 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 558 transitions. [2020-10-28 19:49:05,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:49:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 558 transitions. [2020-10-28 19:49:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 19:49:05,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:05,678 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] [2020-10-28 19:49:05,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:49:05,678 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:05,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:05,679 INFO L82 PathProgramCache]: Analyzing trace with hash -172005680, now seen corresponding path program 1 times [2020-10-28 19:49:05,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:05,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570048459] [2020-10-28 19:49:05,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:05,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:05,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:05,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:10,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:10,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 19:49:10,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:49:10,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:49:10,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:10,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:49:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:49:10,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:49:10,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:10,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:10,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:10,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:10,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:10,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:10,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:10,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:10,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:10,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:10,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:10,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:49:10,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:49:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:10,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:10,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:10,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:10,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:49:10,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:11,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:49:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:11,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:49:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 19:49:11,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:49:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:11,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:49:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:11,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:11,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:11,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:49:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:11,206 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 19:49:11,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570048459] [2020-10-28 19:49:11,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:11,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:49:11,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587521582] [2020-10-28 19:49:11,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:49:11,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:11,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:49:11,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:49:11,209 INFO L87 Difference]: Start difference. First operand 417 states and 558 transitions. Second operand 10 states. [2020-10-28 19:49:13,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:13,850 INFO L93 Difference]: Finished difference Result 1721 states and 2664 transitions. [2020-10-28 19:49:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:49:13,851 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2020-10-28 19:49:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:13,865 INFO L225 Difference]: With dead ends: 1721 [2020-10-28 19:49:13,865 INFO L226 Difference]: Without dead ends: 1327 [2020-10-28 19:49:13,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2020-10-28 19:49:13,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2020-10-28 19:49:14,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 848. [2020-10-28 19:49:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-10-28 19:49:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1141 transitions. [2020-10-28 19:49:14,008 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1141 transitions. Word has length 80 [2020-10-28 19:49:14,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:14,009 INFO L481 AbstractCegarLoop]: Abstraction has 848 states and 1141 transitions. [2020-10-28 19:49:14,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:49:14,009 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1141 transitions. [2020-10-28 19:49:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 19:49:14,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:14,012 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] [2020-10-28 19:49:14,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:49:14,012 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:14,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:14,013 INFO L82 PathProgramCache]: Analyzing trace with hash 963323280, now seen corresponding path program 1 times [2020-10-28 19:49:14,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:14,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422089065] [2020-10-28 19:49:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:14,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:14,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:17,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:49:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:49:19,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 19:49:19,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:19,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:19,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:19,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:49:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:19,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:19,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:19,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:49:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:49:19,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:19,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:19,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:19,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:19,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:19,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:19,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:19,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:49:19,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:19,449 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 19:49:19,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422089065] [2020-10-28 19:49:19,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:19,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:49:19,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794116010] [2020-10-28 19:49:19,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:49:19,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:19,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:49:19,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:49:19,453 INFO L87 Difference]: Start difference. First operand 848 states and 1141 transitions. Second operand 8 states. [2020-10-28 19:49:22,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:22,116 INFO L93 Difference]: Finished difference Result 2527 states and 3859 transitions. [2020-10-28 19:49:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 19:49:22,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 19:49:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:22,132 INFO L225 Difference]: With dead ends: 2527 [2020-10-28 19:49:22,132 INFO L226 Difference]: Without dead ends: 1692 [2020-10-28 19:49:22,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:49:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2020-10-28 19:49:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1290. [2020-10-28 19:49:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1290 states. [2020-10-28 19:49:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1797 transitions. [2020-10-28 19:49:22,309 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1797 transitions. Word has length 80 [2020-10-28 19:49:22,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:22,309 INFO L481 AbstractCegarLoop]: Abstraction has 1290 states and 1797 transitions. [2020-10-28 19:49:22,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:49:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1797 transitions. [2020-10-28 19:49:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 19:49:22,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:22,313 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] [2020-10-28 19:49:22,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:49:22,313 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1075887547, now seen corresponding path program 1 times [2020-10-28 19:49:22,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:22,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098679124] [2020-10-28 19:49:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:22,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:22,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 19:49:27,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:49:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:49:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:49:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:49:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 19:49:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:27,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:49:27,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:27,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:27,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:27,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:27,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:49:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:27,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:27,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:27,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:27,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:27,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:49:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:27,742 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 19:49:27,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098679124] [2020-10-28 19:49:27,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:27,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:49:27,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130213423] [2020-10-28 19:49:27,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:49:27,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:27,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:49:27,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:49:27,745 INFO L87 Difference]: Start difference. First operand 1290 states and 1797 transitions. Second operand 8 states. [2020-10-28 19:49:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:30,751 INFO L93 Difference]: Finished difference Result 4192 states and 6265 transitions. [2020-10-28 19:49:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 19:49:30,751 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 19:49:30,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:30,773 INFO L225 Difference]: With dead ends: 4192 [2020-10-28 19:49:30,774 INFO L226 Difference]: Without dead ends: 2939 [2020-10-28 19:49:30,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-28 19:49:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2020-10-28 19:49:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 2396. [2020-10-28 19:49:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2020-10-28 19:49:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3333 transitions. [2020-10-28 19:49:31,083 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3333 transitions. Word has length 80 [2020-10-28 19:49:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:31,084 INFO L481 AbstractCegarLoop]: Abstraction has 2396 states and 3333 transitions. [2020-10-28 19:49:31,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:49:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3333 transitions. [2020-10-28 19:49:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 19:49:31,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:31,087 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:49:31,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:49:31,087 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:31,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:31,088 INFO L82 PathProgramCache]: Analyzing trace with hash 448100676, now seen corresponding path program 1 times [2020-10-28 19:49:31,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:31,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415971547] [2020-10-28 19:49:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:31,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:31,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:31,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:33,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-28 19:49:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:49:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:49:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:36,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:36,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:49:36,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:36,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:36,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:36,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:36,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:49:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 19:49:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:36,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:36,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:36,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:49:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:36,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:36,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:49:36,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:49:36,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:36,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:36,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:36,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:49:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:49:36,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415971547] [2020-10-28 19:49:36,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:36,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:49:36,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017419882] [2020-10-28 19:49:36,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:49:36,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:36,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:49:36,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:49:36,642 INFO L87 Difference]: Start difference. First operand 2396 states and 3333 transitions. Second operand 10 states. [2020-10-28 19:49:36,817 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 19:49:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:40,591 INFO L93 Difference]: Finished difference Result 3469 states and 5183 transitions. [2020-10-28 19:49:40,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 19:49:40,592 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-10-28 19:49:40,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:40,626 INFO L225 Difference]: With dead ends: 3469 [2020-10-28 19:49:40,626 INFO L226 Difference]: Without dead ends: 3465 [2020-10-28 19:49:40,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2020-10-28 19:49:40,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2020-10-28 19:49:41,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 2901. [2020-10-28 19:49:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2901 states. [2020-10-28 19:49:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4128 transitions. [2020-10-28 19:49:41,075 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4128 transitions. Word has length 89 [2020-10-28 19:49:41,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:41,076 INFO L481 AbstractCegarLoop]: Abstraction has 2901 states and 4128 transitions. [2020-10-28 19:49:41,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:49:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4128 transitions. [2020-10-28 19:49:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 19:49:41,080 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:41,081 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:49:41,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:49:41,081 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:41,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:41,082 INFO L82 PathProgramCache]: Analyzing trace with hash 996025710, now seen corresponding path program 1 times [2020-10-28 19:49:41,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:41,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146848990] [2020-10-28 19:49:41,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:41,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:41,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:41,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:43,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:49:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 19:49:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:49:46,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:46,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:49:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 19:49:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:46,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:49:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:49:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:46,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:46,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:49:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:46,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:49:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:49:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:46,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:46,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:46,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:46,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 19:49:46,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146848990] [2020-10-28 19:49:46,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:46,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 19:49:46,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949177463] [2020-10-28 19:49:46,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:49:46,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:46,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:49:46,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:49:46,515 INFO L87 Difference]: Start difference. First operand 2901 states and 4128 transitions. Second operand 12 states. [2020-10-28 19:49:49,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:49,745 INFO L93 Difference]: Finished difference Result 6403 states and 9437 transitions. [2020-10-28 19:49:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 19:49:49,746 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-28 19:49:49,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:49,773 INFO L225 Difference]: With dead ends: 6403 [2020-10-28 19:49:49,773 INFO L226 Difference]: Without dead ends: 3539 [2020-10-28 19:49:49,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-28 19:49:49,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2020-10-28 19:49:50,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 2995. [2020-10-28 19:49:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-28 19:49:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 4200 transitions. [2020-10-28 19:49:50,178 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 4200 transitions. Word has length 90 [2020-10-28 19:49:50,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:50,178 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 4200 transitions. [2020-10-28 19:49:50,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:49:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 4200 transitions. [2020-10-28 19:49:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 19:49:50,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:50,181 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:49:50,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:49:50,182 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:50,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash 854488496, now seen corresponding path program 1 times [2020-10-28 19:49:50,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:50,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087815992] [2020-10-28 19:49:50,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:50,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:50,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:50,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:50,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:51,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:51,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1620 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:49:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:51,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:49:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:51,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:51,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:49:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:49:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:49:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:51,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:51,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:49:51,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:49:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:52,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:49:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 19:49:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:49:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:49:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:52,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:49:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:49:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:49:52,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:49:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:49:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:49:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:49:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:49:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:49:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:49:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:49:52,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:49:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:52,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:49:52,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:49:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 19:49:52,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087815992] [2020-10-28 19:49:52,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:49:52,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:49:52,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238852852] [2020-10-28 19:49:52,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:49:52,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:49:52,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:49:52,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:49:52,116 INFO L87 Difference]: Start difference. First operand 2995 states and 4200 transitions. Second operand 10 states. [2020-10-28 19:49:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:49:54,704 INFO L93 Difference]: Finished difference Result 6035 states and 8642 transitions. [2020-10-28 19:49:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 19:49:54,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-28 19:49:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:49:54,728 INFO L225 Difference]: With dead ends: 6035 [2020-10-28 19:49:54,728 INFO L226 Difference]: Without dead ends: 3067 [2020-10-28 19:49:54,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-28 19:49:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3067 states. [2020-10-28 19:49:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3067 to 2591. [2020-10-28 19:49:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-10-28 19:49:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3632 transitions. [2020-10-28 19:49:55,074 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3632 transitions. Word has length 90 [2020-10-28 19:49:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:49:55,074 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 3632 transitions. [2020-10-28 19:49:55,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:49:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3632 transitions. [2020-10-28 19:49:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 19:49:55,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:55,076 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:49:55,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:49:55,076 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:55,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:55,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1889512048, now seen corresponding path program 1 times [2020-10-28 19:49:55,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:55,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747564397] [2020-10-28 19:49:55,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:55,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:55,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:49:59,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:49:59,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4849 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 19:49:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:49:59,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:00,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:00,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:00,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:50:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:00,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:00,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:00,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:50:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:00,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:00,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:50:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:00,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 19:50:00,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747564397] [2020-10-28 19:50:00,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:00,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 19:50:00,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698325329] [2020-10-28 19:50:00,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:50:00,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:00,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:50:00,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:50:00,275 INFO L87 Difference]: Start difference. First operand 2591 states and 3632 transitions. Second operand 12 states. [2020-10-28 19:50:00,895 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 19:50:01,129 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 19:50:03,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:03,181 INFO L93 Difference]: Finished difference Result 5585 states and 8039 transitions. [2020-10-28 19:50:03,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 19:50:03,182 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2020-10-28 19:50:03,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:03,202 INFO L225 Difference]: With dead ends: 5585 [2020-10-28 19:50:03,202 INFO L226 Difference]: Without dead ends: 3021 [2020-10-28 19:50:03,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-10-28 19:50:03,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2020-10-28 19:50:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2595. [2020-10-28 19:50:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2595 states. [2020-10-28 19:50:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 3599 transitions. [2020-10-28 19:50:03,547 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 3599 transitions. Word has length 90 [2020-10-28 19:50:03,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:03,548 INFO L481 AbstractCegarLoop]: Abstraction has 2595 states and 3599 transitions. [2020-10-28 19:50:03,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:50:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3599 transitions. [2020-10-28 19:50:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 19:50:03,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:03,550 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:50:03,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:50:03,550 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:03,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1529436242, now seen corresponding path program 1 times [2020-10-28 19:50:03,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:03,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844765590] [2020-10-28 19:50:03,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:03,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:04,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 19:50:04,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1209 [2020-10-28 19:50:04,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:04,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 19:50:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:50:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 19:50:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:04,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:04,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:04,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:05,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:50:05,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:05,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:50:05,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:50:05,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:50:05,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:05,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:50:05,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:50:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:05,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:50:05,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:50:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:50:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:50:05,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844765590] [2020-10-28 19:50:05,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:50:05,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 19:50:05,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069960982] [2020-10-28 19:50:05,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 19:50:05,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:05,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 19:50:05,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:50:05,270 INFO L87 Difference]: Start difference. First operand 2595 states and 3599 transitions. Second operand 13 states. [2020-10-28 19:50:06,760 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-28 19:50:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:13,627 INFO L93 Difference]: Finished difference Result 5387 states and 8505 transitions. [2020-10-28 19:50:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-28 19:50:13,628 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-28 19:50:13,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:13,664 INFO L225 Difference]: With dead ends: 5387 [2020-10-28 19:50:13,665 INFO L226 Difference]: Without dead ends: 5383 [2020-10-28 19:50:13,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=502, Invalid=2578, Unknown=0, NotChecked=0, Total=3080 [2020-10-28 19:50:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5383 states. [2020-10-28 19:50:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5383 to 4541. [2020-10-28 19:50:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4541 states. [2020-10-28 19:50:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6681 transitions. [2020-10-28 19:50:14,222 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6681 transitions. Word has length 90 [2020-10-28 19:50:14,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:14,223 INFO L481 AbstractCegarLoop]: Abstraction has 4541 states and 6681 transitions. [2020-10-28 19:50:14,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 19:50:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6681 transitions. [2020-10-28 19:50:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 19:50:14,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:14,225 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-28 19:50:14,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 19:50:14,226 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:14,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:14,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1373474787, now seen corresponding path program 2 times [2020-10-28 19:50:14,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:14,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744296069] [2020-10-28 19:50:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-28 19:50:14,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:50:14,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:14,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:14,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:50:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:14,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:14,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:50:14,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:50:14,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744296069] [2020-10-28 19:50:14,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:14,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:50:14,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525277334] [2020-10-28 19:50:14,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:50:14,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:14,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:50:14,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:50:14,812 INFO L87 Difference]: Start difference. First operand 4541 states and 6681 transitions. Second operand 9 states. [2020-10-28 19:50:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:17,399 INFO L93 Difference]: Finished difference Result 7299 states and 11478 transitions. [2020-10-28 19:50:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:50:17,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-10-28 19:50:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:17,426 INFO L225 Difference]: With dead ends: 7299 [2020-10-28 19:50:17,426 INFO L226 Difference]: Without dead ends: 3271 [2020-10-28 19:50:17,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-28 19:50:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3271 states. [2020-10-28 19:50:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3271 to 2751. [2020-10-28 19:50:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2751 states. [2020-10-28 19:50:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 3755 transitions. [2020-10-28 19:50:17,780 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 3755 transitions. Word has length 93 [2020-10-28 19:50:17,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:17,780 INFO L481 AbstractCegarLoop]: Abstraction has 2751 states and 3755 transitions. [2020-10-28 19:50:17,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:50:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3755 transitions. [2020-10-28 19:50:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-28 19:50:17,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:17,783 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 19:50:17,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 19:50:17,784 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:17,784 INFO L82 PathProgramCache]: Analyzing trace with hash 495737135, now seen corresponding path program 1 times [2020-10-28 19:50:17,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:17,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031819112] [2020-10-28 19:50:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:17,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:17,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 19:50:18,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:18,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:50:18,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:50:18,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:18,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 19:50:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:18,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 19:50:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:18,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:18,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:18,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 19:50:18,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031819112] [2020-10-28 19:50:18,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:18,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:50:18,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860895961] [2020-10-28 19:50:18,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:50:18,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:18,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:50:18,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:50:18,540 INFO L87 Difference]: Start difference. First operand 2751 states and 3755 transitions. Second operand 9 states. [2020-10-28 19:50:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:21,809 INFO L93 Difference]: Finished difference Result 8673 states and 12902 transitions. [2020-10-28 19:50:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 19:50:21,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-10-28 19:50:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:21,836 INFO L225 Difference]: With dead ends: 8673 [2020-10-28 19:50:21,836 INFO L226 Difference]: Without dead ends: 4813 [2020-10-28 19:50:21,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-28 19:50:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2020-10-28 19:50:22,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 4192. [2020-10-28 19:50:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4192 states. [2020-10-28 19:50:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 5627 transitions. [2020-10-28 19:50:22,249 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 5627 transitions. Word has length 101 [2020-10-28 19:50:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:22,249 INFO L481 AbstractCegarLoop]: Abstraction has 4192 states and 5627 transitions. [2020-10-28 19:50:22,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:50:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 5627 transitions. [2020-10-28 19:50:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 19:50:22,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:22,253 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-28 19:50:22,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 19:50:22,253 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:22,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:22,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1712927663, now seen corresponding path program 1 times [2020-10-28 19:50:22,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:22,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667561955] [2020-10-28 19:50:22,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:22,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:22,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:22,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-28 19:50:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:50:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2306 [2020-10-28 19:50:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-28 19:50:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:50:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:24,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:24,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:24,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:24,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:50:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 19:50:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:24,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:24,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 19:50:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:24,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:24,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:24,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:50:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 19:50:24,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667561955] [2020-10-28 19:50:24,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:24,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:50:24,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156642476] [2020-10-28 19:50:24,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:50:24,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:50:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:50:24,886 INFO L87 Difference]: Start difference. First operand 4192 states and 5627 transitions. Second operand 9 states. [2020-10-28 19:50:28,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:28,125 INFO L93 Difference]: Finished difference Result 11694 states and 17498 transitions. [2020-10-28 19:50:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:50:28,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-10-28 19:50:28,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:28,158 INFO L225 Difference]: With dead ends: 11694 [2020-10-28 19:50:28,158 INFO L226 Difference]: Without dead ends: 6405 [2020-10-28 19:50:28,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-28 19:50:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2020-10-28 19:50:28,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 5571. [2020-10-28 19:50:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5571 states. [2020-10-28 19:50:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 7479 transitions. [2020-10-28 19:50:28,782 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 7479 transitions. Word has length 110 [2020-10-28 19:50:28,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:28,783 INFO L481 AbstractCegarLoop]: Abstraction has 5571 states and 7479 transitions. [2020-10-28 19:50:28,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:50:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 7479 transitions. [2020-10-28 19:50:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 19:50:28,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:28,786 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-28 19:50:28,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 19:50:28,786 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:28,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1315092845, now seen corresponding path program 1 times [2020-10-28 19:50:28,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:28,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223192515] [2020-10-28 19:50:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:50:29,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:50:29,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:50:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:29,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:29,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 19:50:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 19:50:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:29,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 19:50:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 19:50:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:29,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:29,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:50:29,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 19:50:29,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223192515] [2020-10-28 19:50:29,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:50:29,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 19:50:29,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850931195] [2020-10-28 19:50:29,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:50:29,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:29,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:50:29,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:50:29,435 INFO L87 Difference]: Start difference. First operand 5571 states and 7479 transitions. Second operand 9 states. [2020-10-28 19:50:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:32,052 INFO L93 Difference]: Finished difference Result 10485 states and 14421 transitions. [2020-10-28 19:50:32,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:50:32,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-10-28 19:50:32,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:32,077 INFO L225 Difference]: With dead ends: 10485 [2020-10-28 19:50:32,078 INFO L226 Difference]: Without dead ends: 5705 [2020-10-28 19:50:32,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-28 19:50:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2020-10-28 19:50:32,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 5223. [2020-10-28 19:50:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5223 states. [2020-10-28 19:50:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 6383 transitions. [2020-10-28 19:50:32,704 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 6383 transitions. Word has length 111 [2020-10-28 19:50:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:32,705 INFO L481 AbstractCegarLoop]: Abstraction has 5223 states and 6383 transitions. [2020-10-28 19:50:32,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:50:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 6383 transitions. [2020-10-28 19:50:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-28 19:50:32,711 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:32,711 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:32,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 19:50:32,712 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:32,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:32,712 INFO L82 PathProgramCache]: Analyzing trace with hash 338500205, now seen corresponding path program 1 times [2020-10-28 19:50:32,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:32,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380067457] [2020-10-28 19:50:32,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:32,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-28 19:50:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:37,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:37,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:50:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:50:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:50:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:50:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:50:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 19:50:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:50:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:38,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:50:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:50:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 19:50:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:38,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:50:38,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 19:50:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:38,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:50:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 19:50:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:50:38,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 19:50:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:38,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:50:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 19:50:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:38,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-28 19:50:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-28 19:50:38,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380067457] [2020-10-28 19:50:38,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:50:38,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 19:50:38,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459075505] [2020-10-28 19:50:38,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 19:50:38,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:38,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 19:50:38,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:50:38,290 INFO L87 Difference]: Start difference. First operand 5223 states and 6383 transitions. Second operand 13 states. [2020-10-28 19:50:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:42,415 INFO L93 Difference]: Finished difference Result 14871 states and 18708 transitions. [2020-10-28 19:50:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 19:50:42,416 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 169 [2020-10-28 19:50:42,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:42,455 INFO L225 Difference]: With dead ends: 14871 [2020-10-28 19:50:42,455 INFO L226 Difference]: Without dead ends: 9673 [2020-10-28 19:50:42,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-10-28 19:50:42,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9673 states. [2020-10-28 19:50:43,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9673 to 8844. [2020-10-28 19:50:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8844 states. [2020-10-28 19:50:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8844 states to 8844 states and 10618 transitions. [2020-10-28 19:50:43,433 INFO L78 Accepts]: Start accepts. Automaton has 8844 states and 10618 transitions. Word has length 169 [2020-10-28 19:50:43,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:43,433 INFO L481 AbstractCegarLoop]: Abstraction has 8844 states and 10618 transitions. [2020-10-28 19:50:43,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 19:50:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 8844 states and 10618 transitions. [2020-10-28 19:50:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 19:50:43,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:43,442 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:43,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 19:50:43,443 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:43,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1546176639, now seen corresponding path program 1 times [2020-10-28 19:50:43,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:43,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949567773] [2020-10-28 19:50:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 19:50:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 19:50:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:50:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:48,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:50:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:48,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 19:50:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:50:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:50:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:48,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:48,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:50:48,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 19:50:48,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:50:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:48,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:50:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 19:50:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 19:50:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:50:48,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 19:50:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:50:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:50:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:48,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 19:50:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 19:50:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 19:50:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:50:48,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 19:50:48,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949567773] [2020-10-28 19:50:48,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:50:48,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:50:48,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25627875] [2020-10-28 19:50:48,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:50:48,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:48,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:50:48,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:50:48,933 INFO L87 Difference]: Start difference. First operand 8844 states and 10618 transitions. Second operand 11 states. [2020-10-28 19:50:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:52,979 INFO L93 Difference]: Finished difference Result 19546 states and 24474 transitions. [2020-10-28 19:50:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-28 19:50:52,979 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2020-10-28 19:50:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:53,025 INFO L225 Difference]: With dead ends: 19546 [2020-10-28 19:50:53,026 INFO L226 Difference]: Without dead ends: 10731 [2020-10-28 19:50:53,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2020-10-28 19:50:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10731 states. [2020-10-28 19:50:54,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10731 to 8318. [2020-10-28 19:50:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8318 states. [2020-10-28 19:50:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8318 states to 8318 states and 9875 transitions. [2020-10-28 19:50:54,023 INFO L78 Accepts]: Start accepts. Automaton has 8318 states and 9875 transitions. Word has length 186 [2020-10-28 19:50:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:54,023 INFO L481 AbstractCegarLoop]: Abstraction has 8318 states and 9875 transitions. [2020-10-28 19:50:54,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:50:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 8318 states and 9875 transitions. [2020-10-28 19:50:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 19:50:54,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:54,033 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:54,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 19:50:54,033 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash 917705723, now seen corresponding path program 1 times [2020-10-28 19:50:54,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:54,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119046690] [2020-10-28 19:50:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:54,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:54,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 19:50:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:50:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 19:50:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:59,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:59,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:50:59,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:59,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:50:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:59,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:50:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:59,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 19:50:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:50:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:59,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:59,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:50:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:50:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:50:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 19:50:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:50:59,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 19:50:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:59,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:50:59,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 19:50:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:50:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 19:50:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:50:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:50:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:50:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 19:50:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 19:50:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 19:50:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:50:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-28 19:50:59,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119046690] [2020-10-28 19:50:59,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:50:59,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 19:50:59,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801082857] [2020-10-28 19:50:59,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:50:59,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:59,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:50:59,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:50:59,531 INFO L87 Difference]: Start difference. First operand 8318 states and 9875 transitions. Second operand 12 states. [2020-10-28 19:51:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:02,566 INFO L93 Difference]: Finished difference Result 16529 states and 19741 transitions. [2020-10-28 19:51:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 19:51:02,567 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 186 [2020-10-28 19:51:02,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:02,603 INFO L225 Difference]: With dead ends: 16529 [2020-10-28 19:51:02,603 INFO L226 Difference]: Without dead ends: 8624 [2020-10-28 19:51:02,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2020-10-28 19:51:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2020-10-28 19:51:03,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8318. [2020-10-28 19:51:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8318 states. [2020-10-28 19:51:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8318 states to 8318 states and 9683 transitions. [2020-10-28 19:51:03,735 INFO L78 Accepts]: Start accepts. Automaton has 8318 states and 9683 transitions. Word has length 186 [2020-10-28 19:51:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:03,736 INFO L481 AbstractCegarLoop]: Abstraction has 8318 states and 9683 transitions. [2020-10-28 19:51:03,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:51:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 8318 states and 9683 transitions. [2020-10-28 19:51:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-28 19:51:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:03,745 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:03,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 19:51:03,745 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:03,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:03,746 INFO L82 PathProgramCache]: Analyzing trace with hash -649052227, now seen corresponding path program 1 times [2020-10-28 19:51:03,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:03,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89390562] [2020-10-28 19:51:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:03,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:03,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-28 19:51:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:51:08,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:51:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:51:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 19:51:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:51:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 19:51:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:51:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:51:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:09,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 19:51:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:09,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 19:51:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 19:51:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:51:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 19:51:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:09,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 19:51:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 19:51:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:51:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:09,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-28 19:51:09,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89390562] [2020-10-28 19:51:09,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:09,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:51:09,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401793596] [2020-10-28 19:51:09,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:51:09,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:09,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:51:09,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:51:09,250 INFO L87 Difference]: Start difference. First operand 8318 states and 9683 transitions. Second operand 11 states. [2020-10-28 19:51:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:12,639 INFO L93 Difference]: Finished difference Result 17475 states and 20902 transitions. [2020-10-28 19:51:12,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-28 19:51:12,640 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2020-10-28 19:51:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:12,679 INFO L225 Difference]: With dead ends: 17475 [2020-10-28 19:51:12,679 INFO L226 Difference]: Without dead ends: 9374 [2020-10-28 19:51:12,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2020-10-28 19:51:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2020-10-28 19:51:13,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 8477. [2020-10-28 19:51:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8477 states. [2020-10-28 19:51:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8477 states to 8477 states and 9812 transitions. [2020-10-28 19:51:13,533 INFO L78 Accepts]: Start accepts. Automaton has 8477 states and 9812 transitions. Word has length 186 [2020-10-28 19:51:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:13,533 INFO L481 AbstractCegarLoop]: Abstraction has 8477 states and 9812 transitions. [2020-10-28 19:51:13,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:51:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 8477 states and 9812 transitions. [2020-10-28 19:51:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-28 19:51:13,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:13,541 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:13,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 19:51:13,541 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1855644180, now seen corresponding path program 1 times [2020-10-28 19:51:13,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:13,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822407597] [2020-10-28 19:51:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:13,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:13,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:13,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 19:51:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:18,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:51:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:51:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 19:51:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:51:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:51:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:18,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 19:51:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:18,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:51:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:51:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:51:19,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 19:51:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:51:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:19,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 19:51:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:19,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:19,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:19,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:51:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 19:51:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:19,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 19:51:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:51:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:19,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:19,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:51:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 19:51:19,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822407597] [2020-10-28 19:51:19,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:19,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 19:51:19,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565596369] [2020-10-28 19:51:19,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 19:51:19,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:19,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 19:51:19,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:51:19,165 INFO L87 Difference]: Start difference. First operand 8477 states and 9812 transitions. Second operand 13 states. [2020-10-28 19:51:22,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:22,918 INFO L93 Difference]: Finished difference Result 16540 states and 19285 transitions. [2020-10-28 19:51:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 19:51:22,918 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2020-10-28 19:51:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:22,947 INFO L225 Difference]: With dead ends: 16540 [2020-10-28 19:51:22,947 INFO L226 Difference]: Without dead ends: 8874 [2020-10-28 19:51:22,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=299, Invalid=961, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 19:51:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8874 states. [2020-10-28 19:51:23,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8874 to 8630. [2020-10-28 19:51:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8630 states. [2020-10-28 19:51:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8630 states to 8630 states and 10001 transitions. [2020-10-28 19:51:23,841 INFO L78 Accepts]: Start accepts. Automaton has 8630 states and 10001 transitions. Word has length 192 [2020-10-28 19:51:23,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:23,841 INFO L481 AbstractCegarLoop]: Abstraction has 8630 states and 10001 transitions. [2020-10-28 19:51:23,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 19:51:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8630 states and 10001 transitions. [2020-10-28 19:51:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-28 19:51:23,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:23,847 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:23,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 19:51:23,848 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:23,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:23,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1381485038, now seen corresponding path program 1 times [2020-10-28 19:51:23,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:23,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125639151] [2020-10-28 19:51:23,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:23,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:23,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:28,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 19:51:28,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:51:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:28,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:28,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:51:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:51:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:29,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:29,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:51:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:51:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 19:51:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:29,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 19:51:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-28 19:51:29,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:51:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 19:51:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:51:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 19:51:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 19:51:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 19:51:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:29,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-28 19:51:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:29,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-28 19:51:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:29,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:51:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 19:51:29,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125639151] [2020-10-28 19:51:29,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:29,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:51:29,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640519974] [2020-10-28 19:51:29,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:51:29,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:29,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:51:29,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:51:29,342 INFO L87 Difference]: Start difference. First operand 8630 states and 10001 transitions. Second operand 11 states. [2020-10-28 19:51:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:32,696 INFO L93 Difference]: Finished difference Result 12597 states and 14887 transitions. [2020-10-28 19:51:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 19:51:32,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2020-10-28 19:51:32,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:32,715 INFO L225 Difference]: With dead ends: 12597 [2020-10-28 19:51:32,715 INFO L226 Difference]: Without dead ends: 4277 [2020-10-28 19:51:32,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2020-10-28 19:51:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4277 states. [2020-10-28 19:51:33,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4277 to 3705. [2020-10-28 19:51:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3705 states. [2020-10-28 19:51:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 4222 transitions. [2020-10-28 19:51:33,260 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 4222 transitions. Word has length 192 [2020-10-28 19:51:33,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:33,260 INFO L481 AbstractCegarLoop]: Abstraction has 3705 states and 4222 transitions. [2020-10-28 19:51:33,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:51:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 4222 transitions. [2020-10-28 19:51:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-28 19:51:33,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:33,266 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:33,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-28 19:51:33,266 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:33,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1293330074, now seen corresponding path program 1 times [2020-10-28 19:51:33,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:33,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158741015] [2020-10-28 19:51:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:33,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:33,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:33,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:35,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:51:38,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 19:51:38,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:51:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:51:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:38,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:51:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:51:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:51:38,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:38,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:51:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:38,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 19:51:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:51:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:38,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 19:51:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 19:51:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:51:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:51:38,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:51:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 19:51:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:51:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-28 19:51:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:51:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:51:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 19:51:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 19:51:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-28 19:51:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-28 19:51:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-28 19:51:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-28 19:51:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:38,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 57 proven. 22 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-28 19:51:38,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158741015] [2020-10-28 19:51:38,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:38,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 19:51:38,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545694158] [2020-10-28 19:51:38,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:51:38,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:38,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:51:38,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:51:38,833 INFO L87 Difference]: Start difference. First operand 3705 states and 4222 transitions. Second operand 12 states. [2020-10-28 19:51:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:42,442 INFO L93 Difference]: Finished difference Result 6710 states and 7812 transitions. [2020-10-28 19:51:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 19:51:42,443 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 279 [2020-10-28 19:51:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:42,455 INFO L225 Difference]: With dead ends: 6710 [2020-10-28 19:51:42,455 INFO L226 Difference]: Without dead ends: 3609 [2020-10-28 19:51:42,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=194, Invalid=736, Unknown=0, NotChecked=0, Total=930 [2020-10-28 19:51:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2020-10-28 19:51:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3564. [2020-10-28 19:51:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-10-28 19:51:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4028 transitions. [2020-10-28 19:51:42,991 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4028 transitions. Word has length 279 [2020-10-28 19:51:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:42,992 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 4028 transitions. [2020-10-28 19:51:42,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:51:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4028 transitions. [2020-10-28 19:51:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-28 19:51:43,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:43,000 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:43,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-28 19:51:43,000 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:43,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:43,001 INFO L82 PathProgramCache]: Analyzing trace with hash 799218109, now seen corresponding path program 1 times [2020-10-28 19:51:43,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:43,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504032598] [2020-10-28 19:51:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:43,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:43,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:43,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:43,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-28 19:51:48,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:48,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 19:51:48,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:48,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:51:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:51:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:48,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:51:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:51:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:48,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:51:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-28 19:51:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:48,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:48,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 19:51:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:51:48,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 19:51:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:51:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 19:51:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 19:51:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:51:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 19:51:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-28 19:51:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:51:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:48,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:51:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-28 19:51:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:48,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-28 19:51:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 19:51:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:48,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-28 19:51:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-28 19:51:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:48,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-28 19:51:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:48,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:48,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 48 proven. 5 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-28 19:51:48,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504032598] [2020-10-28 19:51:48,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:48,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 19:51:48,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972354129] [2020-10-28 19:51:48,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 19:51:48,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:48,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 19:51:48,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:51:48,640 INFO L87 Difference]: Start difference. First operand 3564 states and 4028 transitions. Second operand 13 states. [2020-10-28 19:51:51,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:51,771 INFO L93 Difference]: Finished difference Result 5061 states and 5682 transitions. [2020-10-28 19:51:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-28 19:51:51,775 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 280 [2020-10-28 19:51:51,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:51,779 INFO L225 Difference]: With dead ends: 5061 [2020-10-28 19:51:51,780 INFO L226 Difference]: Without dead ends: 2101 [2020-10-28 19:51:51,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=273, Invalid=987, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 19:51:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2020-10-28 19:51:51,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2003. [2020-10-28 19:51:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2003 states. [2020-10-28 19:51:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2170 transitions. [2020-10-28 19:51:51,975 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2170 transitions. Word has length 280 [2020-10-28 19:51:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:51,975 INFO L481 AbstractCegarLoop]: Abstraction has 2003 states and 2170 transitions. [2020-10-28 19:51:51,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 19:51:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2170 transitions. [2020-10-28 19:51:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-28 19:51:51,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:51,979 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:51,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-28 19:51:51,979 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:51,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:51,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1832456749, now seen corresponding path program 1 times [2020-10-28 19:51:51,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:51,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081225523] [2020-10-28 19:51:51,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:52,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:52,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2131 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 19:51:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 19:51:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:54,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:51:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:51:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:54,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:51:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:51:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 19:51:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 19:51:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:51:54,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 19:51:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 19:51:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:51:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:51:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 19:51:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 19:51:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:51:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:51:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 19:51:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 19:51:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:54,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-28 19:51:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 19:51:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:54,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:51:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-28 19:51:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:54,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-28 19:51:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:51:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:51:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 19:51:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-28 19:51:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-28 19:51:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-28 19:51:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:54,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-10-28 19:51:54,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081225523] [2020-10-28 19:51:54,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:54,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 19:51:54,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836536956] [2020-10-28 19:51:54,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:51:54,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:51:54,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:51:54,663 INFO L87 Difference]: Start difference. First operand 2003 states and 2170 transitions. Second operand 12 states. [2020-10-28 19:51:57,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:57,473 INFO L93 Difference]: Finished difference Result 3414 states and 3774 transitions. [2020-10-28 19:51:57,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 19:51:57,474 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 287 [2020-10-28 19:51:57,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:57,479 INFO L225 Difference]: With dead ends: 3414 [2020-10-28 19:51:57,479 INFO L226 Difference]: Without dead ends: 1946 [2020-10-28 19:51:57,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2020-10-28 19:51:57,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2020-10-28 19:51:57,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1874. [2020-10-28 19:51:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2020-10-28 19:51:57,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2006 transitions. [2020-10-28 19:51:57,665 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2006 transitions. Word has length 287 [2020-10-28 19:51:57,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:57,665 INFO L481 AbstractCegarLoop]: Abstraction has 1874 states and 2006 transitions. [2020-10-28 19:51:57,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:51:57,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2006 transitions. [2020-10-28 19:51:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-28 19:51:57,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:57,669 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:57,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-28 19:51:57,669 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:57,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:57,669 INFO L82 PathProgramCache]: Analyzing trace with hash -813366119, now seen corresponding path program 1 times [2020-10-28 19:51:57,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:57,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913610439] [2020-10-28 19:51:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:58,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 376 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1184 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-28 19:51:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:59,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:59,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 19:51:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 19:51:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 19:51:59,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:59,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:51:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:51:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 19:51:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 19:51:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 19:51:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:59,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 19:51:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:51:59,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-28 19:51:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:59,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 19:51:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:51:59,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 19:51:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:59,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-28 19:51:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:51:59,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-28 19:51:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 19:51:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:51:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:59,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:59,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 19:51:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:51:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 19:51:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:51:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:59,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-28 19:51:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:59,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-28 19:51:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 19:51:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 19:51:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-28 19:51:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:51:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-28 19:51:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:51:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-28 19:51:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:59,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 48 proven. 38 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-28 19:51:59,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913610439] [2020-10-28 19:51:59,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:59,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 19:51:59,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509224987] [2020-10-28 19:51:59,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 19:51:59,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:59,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 19:51:59,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:51:59,653 INFO L87 Difference]: Start difference. First operand 1874 states and 2006 transitions. Second operand 16 states. [2020-10-28 19:52:03,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:03,406 INFO L93 Difference]: Finished difference Result 1919 states and 2081 transitions. [2020-10-28 19:52:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-28 19:52:03,407 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 288 [2020-10-28 19:52:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:03,409 INFO L225 Difference]: With dead ends: 1919 [2020-10-28 19:52:03,409 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 19:52:03,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 19:52:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 19:52:03,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 19:52:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 19:52:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 19:52:03,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2020-10-28 19:52:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:03,415 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 19:52:03,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 19:52:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 19:52:03,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 19:52:03,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-28 19:52:03,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 19:52:06,692 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 662 DAG size of output: 557 [2020-10-28 19:52:09,541 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 170