/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-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:36:43,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:36:43,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:36:43,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:36:43,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:36:43,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:36:43,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:36:43,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:36:43,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:36:43,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:36:43,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:36:43,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:36:43,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:36:43,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:36:43,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:36:43,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:36:43,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:36:43,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:36:43,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:36:43,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:36:43,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:36:43,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:36:43,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:36:43,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:36:43,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:36:43,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:36:43,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:36:43,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:36:43,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:36:43,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:36:43,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:36:43,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:36:43,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:36:43,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:36:43,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:36:43,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:36:43,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:36:43,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:36:43,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:36:43,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:36:43,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:36:43,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 23:36:43,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:36:43,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:36:43,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:36:43,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:36:43,639 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:36:43,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:36:43,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:36:43,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:36:43,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:36:43,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:36:43,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:36:43,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:36:43,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:36:43,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:36:43,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:36:43,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:36:43,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:36:43,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:36:43,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:36:43,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:36:43,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:36:43,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:36:43,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:36:43,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:36:43,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:36:43,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:36:43,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:36:43,644 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:36:44,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:36:44,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:36:44,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:36:44,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:36:44,094 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:36:44,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 23:36:44,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d5dfe4a5/076b3a0a7f604db8a5468be2505a3a80/FLAGfdf2fa277 [2020-10-28 23:36:45,302 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:36:45,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 23:36:45,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d5dfe4a5/076b3a0a7f604db8a5468be2505a3a80/FLAGfdf2fa277 [2020-10-28 23:36:45,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d5dfe4a5/076b3a0a7f604db8a5468be2505a3a80 [2020-10-28 23:36:45,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:36:45,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:36:45,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:36:45,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:36:45,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:36:45,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:45" (1/1) ... [2020-10-28 23:36:45,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43626fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:45, skipping insertion in model container [2020-10-28 23:36:45,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:45" (1/1) ... [2020-10-28 23:36:45,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:36:45,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:36:47,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:36:47,056 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:36:47,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:36:47,384 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:36:47,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47 WrapperNode [2020-10-28 23:36:47,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:36:47,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:36:47,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:36:47,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:36:47,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (1/1) ... [2020-10-28 23:36:47,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:36:47,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:36:47,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:36:47,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:36:47,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (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 23:36:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:36:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:36:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:36:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 23:36:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 23:36:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-28 23:36:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-28 23:36:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-28 23:36:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-28 23:36:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-28 23:36:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-28 23:36:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:36:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:36:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:36:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:36:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:36:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:36:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:36:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:36:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:36:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-28 23:36:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:36:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:36:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:36:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:36:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:36:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:36:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:36:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:36:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-28 23:36:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 23:36:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-28 23:36:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-28 23:36:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-28 23:36:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 23:36:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 23:36:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-28 23:36:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-28 23:36:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:36:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:36:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:36:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:36:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-28 23:36:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:36:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:36:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:36:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:36:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:36:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:36:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:36:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 23:36:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:36:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-28 23:36:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 23:36:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:36:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-28 23:36:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-28 23:36:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:36:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 23:36:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 23:36:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-28 23:36:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-28 23:36:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:36:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:36:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:36:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:36:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:36:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:36:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:36:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:36:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:36:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:36:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:36:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:36:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:36:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:36:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:36:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:36:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-28 23:36:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 23:36:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-28 23:36:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 23:36:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:36:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-28 23:36:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-28 23:36:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-28 23:36:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-28 23:36:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-28 23:36:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:36:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:36:47,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:36:47,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:36:47,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:36:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:36:47,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:36:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:36:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:36:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:36:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:36:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:36:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:36:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:36:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:36:48,736 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:36:51,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:36:51,778 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:36:51,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:51 BoogieIcfgContainer [2020-10-28 23:36:51,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:36:51,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:36:51,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:36:51,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:36:51,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:36:45" (1/3) ... [2020-10-28 23:36:51,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0eb9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:51, skipping insertion in model container [2020-10-28 23:36:51,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:47" (2/3) ... [2020-10-28 23:36:51,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0eb9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:51, skipping insertion in model container [2020-10-28 23:36:51,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:51" (3/3) ... [2020-10-28 23:36:51,795 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-28 23:36:51,808 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:36:51,815 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:36:51,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:36:51,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:36:51,883 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:36:51,883 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:36:51,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:36:51,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:36:51,883 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:36:51,884 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:36:51,884 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:36:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2020-10-28 23:36:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-28 23:36:51,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:36:51,954 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 23:36:51,954 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:36:51,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:36:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash 479077164, now seen corresponding path program 1 times [2020-10-28 23:36:51,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:36:51,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503868854] [2020-10-28 23:36:51,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:36:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:52,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:55,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:57,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:57,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 23:36:57,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:36:57,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 23:36:57,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:57,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:36:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 23:36:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:36:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:36:58,351 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:36:58,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:36:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:36:58,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 23:36:58,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:36:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:36:58,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:36:58,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:36:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:36:58,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:36:58,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:36:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:36:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:36:58,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:36:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:36:58,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:36:58,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:36:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:36:58,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:36:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:36:58,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 23:36:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:36:58,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:36:58,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:36:58,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 23:36:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:36:58,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:36:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 23:36:58,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:36:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:36:58,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:36:58,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:36:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:36:58,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:36:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:36:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:36:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:36:58,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:36:58,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:36:58,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:36:58,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:36:58,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:36:58,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:36:58,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:36:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:36:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:36:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:36:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:36:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 23:36:58,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503868854] [2020-10-28 23:36:58,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:36:58,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:36:58,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838285014] [2020-10-28 23:36:58,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:36:58,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:36:58,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:36:58,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:36:58,885 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 8 states. [2020-10-28 23:37:07,351 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 23:37:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:37:19,000 INFO L93 Difference]: Finished difference Result 1425 states and 2040 transitions. [2020-10-28 23:37:19,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 23:37:19,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-10-28 23:37:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:37:19,041 INFO L225 Difference]: With dead ends: 1425 [2020-10-28 23:37:19,041 INFO L226 Difference]: Without dead ends: 1022 [2020-10-28 23:37:19,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-28 23:37:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2020-10-28 23:37:19,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 650. [2020-10-28 23:37:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-28 23:37:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 810 transitions. [2020-10-28 23:37:19,346 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 810 transitions. Word has length 68 [2020-10-28 23:37:19,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:37:19,347 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 810 transitions. [2020-10-28 23:37:19,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:37:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 810 transitions. [2020-10-28 23:37:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 23:37:19,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:37:19,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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 23:37:19,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:37:19,354 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:37:19,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:37:19,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1860716642, now seen corresponding path program 1 times [2020-10-28 23:37:19,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:37:19,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326112079] [2020-10-28 23:37:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:37:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:19,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:19,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:24,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:24,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 23:37:24,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:37:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 23:37:24,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:24,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:37:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 23:37:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:37:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,161 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:37:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:25,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 23:37:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:25,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:37:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:25,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:25,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:37:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:25,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:25,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:25,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:37:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:37:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:37:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:37:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 23:37:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:25,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:37:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:37:25,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:37:25,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 23:37:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:37:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:37:25,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:37:25,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:25,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:25,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:37:25,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:37:25,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:37:25,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:37:25,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:25,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:25,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 23:37:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:25,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:25,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:25,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:25,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:25,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:25,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:25,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:37:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:25,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 23:37:25,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326112079] [2020-10-28 23:37:25,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:37:25,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 23:37:25,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720149909] [2020-10-28 23:37:25,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:37:25,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:37:25,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:37:25,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:37:25,747 INFO L87 Difference]: Start difference. First operand 650 states and 810 transitions. Second operand 10 states. [2020-10-28 23:37:36,607 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-10-28 23:37:37,234 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 23:37:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:37:42,246 INFO L93 Difference]: Finished difference Result 1508 states and 1957 transitions. [2020-10-28 23:37:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 23:37:42,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-10-28 23:37:42,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:37:42,257 INFO L225 Difference]: With dead ends: 1508 [2020-10-28 23:37:42,257 INFO L226 Difference]: Without dead ends: 874 [2020-10-28 23:37:42,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-28 23:37:42,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-28 23:37:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 651. [2020-10-28 23:37:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-10-28 23:37:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 811 transitions. [2020-10-28 23:37:42,408 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 811 transitions. Word has length 84 [2020-10-28 23:37:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:37:42,409 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 811 transitions. [2020-10-28 23:37:42,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 23:37:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 811 transitions. [2020-10-28 23:37:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 23:37:42,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:37:42,412 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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 23:37:42,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:37:42,413 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:37:42,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:37:42,413 INFO L82 PathProgramCache]: Analyzing trace with hash 604186058, now seen corresponding path program 1 times [2020-10-28 23:37:42,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:37:42,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837818599] [2020-10-28 23:37:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:37:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:42,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:42,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:47,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:47,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 23:37:47,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:37:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 23:37:47,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:47,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:37:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 23:37:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 23:37:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,226 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:37:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:48,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-28 23:37:48,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:48,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:37:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:37:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:48,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:37:48,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:37:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:37:48,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:37:48,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:37:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:37:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:48,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:37:48,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:37:48,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:37:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:37:48,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:37:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 23:37:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:37:48,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:48,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:37:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:37:48,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:37:48,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:37:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:37:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 23:37:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:48,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:37:48,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:37:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:37:48,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:37:48,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:37:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:37:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:37:48,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:37:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:37:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:37:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 23:37:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:37:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:37:48,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:37:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:37:48,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:37:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:37:48,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:37:48,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:37:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:37:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:37:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:37:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:37:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 23:37:48,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837818599] [2020-10-28 23:37:48,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:37:48,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 23:37:48,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065500068] [2020-10-28 23:37:48,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 23:37:48,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:37:48,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 23:37:48,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:37:48,963 INFO L87 Difference]: Start difference. First operand 651 states and 811 transitions. Second operand 12 states. [2020-10-28 23:37:59,024 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 23:38:05,483 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-10-28 23:38:06,205 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 23:38:06,874 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2020-10-28 23:38:09,423 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2020-10-28 23:38:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:13,901 INFO L93 Difference]: Finished difference Result 2267 states and 2970 transitions. [2020-10-28 23:38:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 23:38:13,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 86 [2020-10-28 23:38:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:13,914 INFO L225 Difference]: With dead ends: 2267 [2020-10-28 23:38:13,914 INFO L226 Difference]: Without dead ends: 1621 [2020-10-28 23:38:13,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2020-10-28 23:38:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2020-10-28 23:38:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1332. [2020-10-28 23:38:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2020-10-28 23:38:14,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1688 transitions. [2020-10-28 23:38:14,190 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1688 transitions. Word has length 86 [2020-10-28 23:38:14,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:14,192 INFO L481 AbstractCegarLoop]: Abstraction has 1332 states and 1688 transitions. [2020-10-28 23:38:14,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 23:38:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1688 transitions. [2020-10-28 23:38:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-28 23:38:14,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:14,215 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:14,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 23:38:14,215 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:14,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1373952500, now seen corresponding path program 1 times [2020-10-28 23:38:14,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:14,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508099443] [2020-10-28 23:38:14,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:14,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:14,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:14,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:14,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:14,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:19,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:19,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-28 23:38:19,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 23:38:19,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 23:38:19,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:19,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 23:38:19,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 23:38:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:19,971 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:38:19,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 23:38:20,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:20,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:20,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:38:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:20,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:38:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:20,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:38:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:38:20,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 23:38:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:38:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:38:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 23:38:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:20,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:20,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:38:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:20,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:20,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 23:38:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-10-28 23:38:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 23:38:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:38:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:21,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:21,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:21,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 23:38:21,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:21,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-28 23:38:21,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:21,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:38:21,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 23:38:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:21,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:21,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:21,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:38:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:38:21,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:21,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:38:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:21,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:21,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:21,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:38:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:21,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:38:21,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:21,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:21,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:21,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:21,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:21,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:21,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-28 23:38:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:38:22,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:22,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:22,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:22,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:22,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:22,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:22,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:22,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:22,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:22,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:22,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-28 23:38:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:22,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:22,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:38:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:22,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-28 23:38:22,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508099443] [2020-10-28 23:38:22,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:22,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 23:38:22,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269980182] [2020-10-28 23:38:22,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 23:38:22,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:22,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 23:38:22,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:38:22,238 INFO L87 Difference]: Start difference. First operand 1332 states and 1688 transitions. Second operand 12 states. [2020-10-28 23:38:32,270 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 23:38:38,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:38:38,794 INFO L93 Difference]: Finished difference Result 3393 states and 4450 transitions. [2020-10-28 23:38:38,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 23:38:38,795 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2020-10-28 23:38:38,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:38:38,809 INFO L225 Difference]: With dead ends: 3393 [2020-10-28 23:38:38,809 INFO L226 Difference]: Without dead ends: 2087 [2020-10-28 23:38:38,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-28 23:38:38,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2020-10-28 23:38:39,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1623. [2020-10-28 23:38:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1623 states. [2020-10-28 23:38:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2072 transitions. [2020-10-28 23:38:39,114 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2072 transitions. Word has length 168 [2020-10-28 23:38:39,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:38:39,115 INFO L481 AbstractCegarLoop]: Abstraction has 1623 states and 2072 transitions. [2020-10-28 23:38:39,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 23:38:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2072 transitions. [2020-10-28 23:38:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-28 23:38:39,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:38:39,124 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:38:39,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 23:38:39,125 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:38:39,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:38:39,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1039370787, now seen corresponding path program 1 times [2020-10-28 23:38:39,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:38:39,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [530927163] [2020-10-28 23:38:39,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:38:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:39,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:39,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:39,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:42,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:44,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:44,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 23:38:44,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-28 23:38:44,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 23:38:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:44,906 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:38:44,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:44,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:44,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 23:38:44,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:44,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:45,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:38:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:45,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:38:45,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:38:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:38:45,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:45,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:45,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:45,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:38:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:38:45,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 23:38:45,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:38:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:38:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 23:38:45,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:38:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:38:45,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:38:45,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:38:45,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:38:45,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:45,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:45,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:45,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:38:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:45,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 23:38:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:38:45,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:38:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:38:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 23:38:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:38:45,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:45,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:45,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 64 [2020-10-28 23:38:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:38:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:45,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:45,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:45,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:45,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 23:38:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:45,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 23:38:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:38:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:46,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:46,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:38:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 23:38:46,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:38:46,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:38:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 23:38:46,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:46,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:46,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:38:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:38:46,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:38:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:38:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:38:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:38:46,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:38:46,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:38:46,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-28 23:38:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:46,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:38:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:46,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:46,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 23:38:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:38:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:47,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:47,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:47,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:38:47,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:47,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:47,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:47,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:38:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:47,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:47,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:47,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:47,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 23:38:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:38:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:38:47,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:38:47,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:38:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:38:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:38:47,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:38:47,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:38:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:38:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:38:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:38:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:38:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-28 23:38:47,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [530927163] [2020-10-28 23:38:47,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:38:47,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 23:38:47,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711859806] [2020-10-28 23:38:47,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 23:38:47,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:38:47,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 23:38:47,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-10-28 23:38:47,123 INFO L87 Difference]: Start difference. First operand 1623 states and 2072 transitions. Second operand 14 states. [2020-10-28 23:39:00,654 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2020-10-28 23:39:09,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:39:09,582 INFO L93 Difference]: Finished difference Result 5101 states and 6672 transitions. [2020-10-28 23:39:09,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-28 23:39:09,583 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 203 [2020-10-28 23:39:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:39:09,611 INFO L225 Difference]: With dead ends: 5101 [2020-10-28 23:39:09,611 INFO L226 Difference]: Without dead ends: 3504 [2020-10-28 23:39:09,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=292, Invalid=830, Unknown=0, NotChecked=0, Total=1122 [2020-10-28 23:39:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-10-28 23:39:10,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2781. [2020-10-28 23:39:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2020-10-28 23:39:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3518 transitions. [2020-10-28 23:39:10,191 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3518 transitions. Word has length 203 [2020-10-28 23:39:10,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:39:10,191 INFO L481 AbstractCegarLoop]: Abstraction has 2781 states and 3518 transitions. [2020-10-28 23:39:10,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 23:39:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3518 transitions. [2020-10-28 23:39:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-28 23:39:10,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:39:10,204 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:39:10,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 23:39:10,204 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:39:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:39:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1651820001, now seen corresponding path program 1 times [2020-10-28 23:39:10,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:39:10,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979602752] [2020-10-28 23:39:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:39:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:10,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:10,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:10,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:15,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:39:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,173 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:39:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:16,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:16,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:16,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:16,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:39:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:16,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:16,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:39:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:16,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:39:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:39:16,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:16,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:39:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:39:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 23:39:16,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:39:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:39:16,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:39:16,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:39:16,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:16,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:16,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 23:39:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:16,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:16,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:39:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:16,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:16,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:16,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:16,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:16,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:16,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 23:39:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:16,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:16,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:17,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:39:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 23:39:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:39:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:39:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:17,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:17,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:17,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:17,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:17,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:17,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:17,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:17,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:17,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:17,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:17,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 23:39:17,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-28 23:39:17,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:17,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:39:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 23:39:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 23:39:17,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:17,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:17,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:39:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-28 23:39:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:39:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 23:39:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:18,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:39:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:39:18,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 23:39:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:39:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:39:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:18,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:39:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:18,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:39:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 23:39:18,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:39:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:18,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:18,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:18,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-28 23:39:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:39:18,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:18,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 23:39:18,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:39:18,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:18,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:18,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:18,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:18,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-28 23:39:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:18,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:18,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:18,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:18,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:18,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:18,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:39:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:18,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-28 23:39:18,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979602752] [2020-10-28 23:39:18,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:39:18,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-28 23:39:18,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070324609] [2020-10-28 23:39:18,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 23:39:18,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:39:18,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 23:39:18,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2020-10-28 23:39:18,550 INFO L87 Difference]: Start difference. First operand 2781 states and 3518 transitions. Second operand 17 states. [2020-10-28 23:39:27,036 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2020-10-28 23:39:27,757 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2020-10-28 23:39:28,792 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2020-10-28 23:39:29,587 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2020-10-28 23:39:34,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:39:34,604 INFO L93 Difference]: Finished difference Result 6321 states and 8237 transitions. [2020-10-28 23:39:34,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 23:39:34,604 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 203 [2020-10-28 23:39:34,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:39:34,628 INFO L225 Difference]: With dead ends: 6321 [2020-10-28 23:39:34,628 INFO L226 Difference]: Without dead ends: 3566 [2020-10-28 23:39:34,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=377, Invalid=1603, Unknown=0, NotChecked=0, Total=1980 [2020-10-28 23:39:34,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3566 states. [2020-10-28 23:39:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3566 to 2813. [2020-10-28 23:39:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-10-28 23:39:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3546 transitions. [2020-10-28 23:39:35,130 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3546 transitions. Word has length 203 [2020-10-28 23:39:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:39:35,130 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3546 transitions. [2020-10-28 23:39:35,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 23:39:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3546 transitions. [2020-10-28 23:39:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-28 23:39:35,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:39:35,140 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:39:35,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 23:39:35,141 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:39:35,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:39:35,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1466815386, now seen corresponding path program 1 times [2020-10-28 23:39:35,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:39:35,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788434325] [2020-10-28 23:39:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:39:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:35,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:39,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:40,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:40,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-28 23:39:40,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:39:40,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-28 23:39:40,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:40,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:39:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-28 23:39:40,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:39:40,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:39:40,935 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2020-10-28 23:39:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:41,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-28 23:39:41,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:41,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:39:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:39:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:39:41,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:41,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 23:39:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:39:41,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:39:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 23:39:41,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:39:41,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 23:39:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:39:41,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:39:41,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 23:39:41,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:41,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:39:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:41,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:39:41,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:41,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 23:39:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:39:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:39:41,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 23:39:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:41,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:41,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:39:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 23:39:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:41,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-28 23:39:42,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:39:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:42,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:42,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:42,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:42,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:39:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 23:39:42,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:39:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-28 23:39:42,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:42,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:39:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:39:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:39:42,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:39:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 23:39:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:42,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 23:39:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:39:42,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:39:42,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:39:42,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:42,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-28 23:39:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 23:39:42,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:39:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:39:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:42,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:42,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:39:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:39:42,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-28 23:39:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:39:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:39:42,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:39:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:39:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:39:42,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:39:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:39:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-28 23:39:42,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788434325] [2020-10-28 23:39:42,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 23:39:42,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-28 23:39:42,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700152068] [2020-10-28 23:39:42,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-28 23:39:42,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:39:42,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-28 23:39:42,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-28 23:39:42,920 INFO L87 Difference]: Start difference. First operand 2813 states and 3546 transitions. Second operand 16 states. [2020-10-28 23:39:59,929 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2020-10-28 23:40:08,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:40:08,699 INFO L93 Difference]: Finished difference Result 6340 states and 8164 transitions. [2020-10-28 23:40:08,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 23:40:08,700 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 209 [2020-10-28 23:40:08,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:40:08,720 INFO L225 Difference]: With dead ends: 6340 [2020-10-28 23:40:08,720 INFO L226 Difference]: Without dead ends: 3543 [2020-10-28 23:40:08,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-28 23:40:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2020-10-28 23:40:09,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 2814. [2020-10-28 23:40:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-10-28 23:40:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3547 transitions. [2020-10-28 23:40:09,307 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3547 transitions. Word has length 209 [2020-10-28 23:40:09,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:40:09,307 INFO L481 AbstractCegarLoop]: Abstraction has 2814 states and 3547 transitions. [2020-10-28 23:40:09,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-28 23:40:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3547 transitions. [2020-10-28 23:40:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 23:40:09,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:40:09,317 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:40:09,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 23:40:09,317 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:40:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:40:09,318 INFO L82 PathProgramCache]: Analyzing trace with hash -359678586, now seen corresponding path program 2 times [2020-10-28 23:40:09,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:40:09,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144955744] [2020-10-28 23:40:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:40:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:40:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:40:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:40:09,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:40:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking...