/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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--arcnet--rfc1201.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 18:16:32,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:16:32,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:16:32,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:16:32,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:16:32,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:16:32,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:16:32,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:16:32,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:16:32,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:16:32,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:16:32,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:16:32,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:16:32,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:16:32,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:16:32,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:16:32,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:16:32,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:16:32,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:16:32,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:16:32,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:16:32,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:16:32,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:16:32,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:16:32,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:16:32,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:16:32,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:16:32,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:16:32,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:16:32,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:16:32,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:16:32,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:16:32,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:16:32,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:16:32,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:16:32,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:16:32,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:16:32,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:16:32,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:16:32,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:16:32,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:16:32,311 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 [2020-10-29 18:16:32,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:16:32,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:16:32,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:16:32,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:16:32,364 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:16:32,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:16:32,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:16:32,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:16:32,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:16:32,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:16:32,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:16:32,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:16:32,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:16:32,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:16:32,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:16:32,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:16:32,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:16:32,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:16:32,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:16:32,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:16:32,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:16:32,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:16:32,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:16:32,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:16:32,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:16:32,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:16:32,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:16:32,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:16:32,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:16:32,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:16:32,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:16:32,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:16:32,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:16:32,868 INFO L432 ainManager$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--arcnet--rfc1201.ko-entry_point.cil.out.i [2020-10-29 18:16:32,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4715a85b5/060c4efe3b1e4ff5938fe3e43b4139e2/FLAG4c006068c [2020-10-29 18:16:33,859 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:16:33,860 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--arcnet--rfc1201.ko-entry_point.cil.out.i [2020-10-29 18:16:33,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4715a85b5/060c4efe3b1e4ff5938fe3e43b4139e2/FLAG4c006068c [2020-10-29 18:16:34,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4715a85b5/060c4efe3b1e4ff5938fe3e43b4139e2 [2020-10-29 18:16:34,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:16:34,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:16:34,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:16:34,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:16:34,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:16:34,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:16:34" (1/1) ... [2020-10-29 18:16:34,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574e456b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:34, skipping insertion in model container [2020-10-29 18:16:34,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:16:34" (1/1) ... [2020-10-29 18:16:34,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:16:34,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:16:35,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:16:35,590 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:16:35,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:16:35,989 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:16:35,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35 WrapperNode [2020-10-29 18:16:35,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:16:35,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:16:35,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:16:35,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:16:36,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (1/1) ... [2020-10-29 18:16:36,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:16:36,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:16:36,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:16:36,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:16:36,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (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 [2020-10-29 18:16:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:16:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:16:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-29 18:16:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:16:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-29 18:16:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-29 18:16:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:16:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:16:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:16:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:16:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 18:16:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-29 18:16:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1201_init [2020-10-29 18:16:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1201_exit [2020-10-29 18:16:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2020-10-29 18:16:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2020-10-29 18:16:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2020-10-29 18:16:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure load_pkt [2020-10-29 18:16:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure continue_tx [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-29 18:16:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-29 18:16:36,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-29 18:16:36,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2020-10-29 18:16:36,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 18:16:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 18:16:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-29 18:16:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 18:16:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:16:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 18:16:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:16:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:16:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:16:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:16:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-29 18:16:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 18:16:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 18:16:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 18:16:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-29 18:16:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:16:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:16:36,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:16:36,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2020-10-29 18:16:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2020-10-29 18:16:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure continue_tx [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1201_init [2020-10-29 18:16:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1201_exit [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure load_pkt [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:16:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 18:16:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 18:16:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:16:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:16:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:16:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:16:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:16:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 18:16:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 18:16:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 18:16:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 18:16:37,290 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:16:52,592 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:16:52,592 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 18:16:52,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:16:52 BoogieIcfgContainer [2020-10-29 18:16:52,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:16:52,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:16:52,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:16:52,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:16:52,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:16:34" (1/3) ... [2020-10-29 18:16:52,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:16:52, skipping insertion in model container [2020-10-29 18:16:52,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:16:35" (2/3) ... [2020-10-29 18:16:52,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511578b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:16:52, skipping insertion in model container [2020-10-29 18:16:52,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:16:52" (3/3) ... [2020-10-29 18:16:52,605 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1201.ko-entry_point.cil.out.i [2020-10-29 18:16:52,618 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:16:52,624 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:16:52,638 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:16:52,671 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:16:52,671 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:16:52,671 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:16:52,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:16:52,672 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:16:52,672 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:16:52,672 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:16:52,672 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:16:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states. [2020-10-29 18:16:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-29 18:16:52,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:16:52,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:16:52,749 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:16:52,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:16:52,756 INFO L82 PathProgramCache]: Analyzing trace with hash 362771650, now seen corresponding path program 1 times [2020-10-29 18:16:52,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:16:52,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116496220] [2020-10-29 18:16:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:16:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:53,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:53,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:53,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:57,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:57,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 18:16:57,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:16:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4488 [2020-10-29 18:16:57,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:57,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:16:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 18:16:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 18:16:57,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:16:58,109 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 18:16:58,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:16:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:16:58,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 18:16:58,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:16:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:16:58,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:16:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:16:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:16:58,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:16:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:16:58,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:16:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:16:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:16:58,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:16:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:16:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:16:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:16:58,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:16:58,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:16:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:16:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:16:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:16:58,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:16:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:16:58,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:16:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:16:58,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 18:16:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:16:58,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:16:58,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:16:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 18:16:58,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:16:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:16:58,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:16:58,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:16:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:16:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:16:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 18:16:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:16:58,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:16:58,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:16:58,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:16:58,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:16:58,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:16:58,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:16:58,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:16:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:16:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:16:58,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:16:58,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:16:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:16:58,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116496220] [2020-10-29 18:16:58,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:16:58,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 18:16:58,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845470844] [2020-10-29 18:16:58,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 18:16:58,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:16:58,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 18:16:58,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 18:16:58,501 INFO L87 Difference]: Start difference. First operand 413 states. Second operand 10 states. [2020-10-29 18:16:58,938 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 18:16:59,975 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-29 18:17:00,646 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-29 18:17:06,260 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2020-10-29 18:17:06,843 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-29 18:17:07,400 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-29 18:17:19,865 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2020-10-29 18:17:20,988 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-10-29 18:17:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:17:35,643 INFO L93 Difference]: Finished difference Result 1045 states and 1459 transitions. [2020-10-29 18:17:35,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 18:17:35,645 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2020-10-29 18:17:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:17:35,687 INFO L225 Difference]: With dead ends: 1045 [2020-10-29 18:17:35,688 INFO L226 Difference]: Without dead ends: 612 [2020-10-29 18:17:35,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2020-10-29 18:17:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-29 18:17:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 487. [2020-10-29 18:17:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-29 18:17:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 642 transitions. [2020-10-29 18:17:35,924 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 642 transitions. Word has length 51 [2020-10-29 18:17:35,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:17:35,924 INFO L481 AbstractCegarLoop]: Abstraction has 487 states and 642 transitions. [2020-10-29 18:17:35,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 18:17:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 642 transitions. [2020-10-29 18:17:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 18:17:35,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:17:35,941 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:17:35,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:17:35,942 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:17:35,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:17:35,943 INFO L82 PathProgramCache]: Analyzing trace with hash -141259929, now seen corresponding path program 1 times [2020-10-29 18:17:35,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:17:35,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628627596] [2020-10-29 18:17:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:17:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:36,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:36,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:36,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:41,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:41,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-29 18:17:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 18:17:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-29 18:17:41,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:41,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 18:17:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 18:17:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 18:17:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:17:41,755 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 18:17:41,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:17:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:41,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:41,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:41,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:17:41,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:41,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 18:17:41,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:41,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:41,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:17:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:17:41,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:17:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:41,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:41,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:41,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:17:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:17:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:41,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:17:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:17:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:17:41,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:17:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:41,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:17:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 18:17:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:41,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:17:41,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:41,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:17:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:17:41,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:17:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:41,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:41,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:41,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:17:41,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:41,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:17:41,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:17:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:17:42,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:17:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:17:42,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 18:17:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:17:42,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:17:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-29 18:17:42,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:17:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:17:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 18:17:42,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:17:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:17:42,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:17:42,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:17:42,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 18:17:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:17:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 18:17:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:17:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:17:42,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:42,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:17:42,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:17:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:17:42,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 18:17:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:17:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:17:42,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:17:42,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:17:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:17:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:17:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:17:42,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:17:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:17:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:17:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:17:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:17:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 18:17:42,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628627596] [2020-10-29 18:17:42,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:17:42,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 18:17:42,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915430208] [2020-10-29 18:17:42,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 18:17:42,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:17:42,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 18:17:42,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-29 18:17:42,562 INFO L87 Difference]: Start difference. First operand 487 states and 642 transitions. Second operand 11 states. [2020-10-29 18:17:43,077 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 18:17:44,358 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-29 18:17:45,074 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 18:18:09,776 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 250 [2020-10-29 18:18:10,458 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-29 18:18:11,124 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-10-29 18:18:22,230 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-29 18:18:48,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:18:48,794 INFO L93 Difference]: Finished difference Result 803 states and 1086 transitions. [2020-10-29 18:18:48,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 18:18:48,795 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-10-29 18:18:48,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:18:48,803 INFO L225 Difference]: With dead ends: 803 [2020-10-29 18:18:48,803 INFO L226 Difference]: Without dead ends: 782 [2020-10-29 18:18:48,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-10-29 18:18:48,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-10-29 18:18:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 670. [2020-10-29 18:18:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-10-29 18:18:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 893 transitions. [2020-10-29 18:18:48,938 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 893 transitions. Word has length 74 [2020-10-29 18:18:48,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:18:48,939 INFO L481 AbstractCegarLoop]: Abstraction has 670 states and 893 transitions. [2020-10-29 18:18:48,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 18:18:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 893 transitions. [2020-10-29 18:18:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-29 18:18:48,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:18:48,944 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 18:18:48,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:18:48,945 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:18:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:18:48,945 INFO L82 PathProgramCache]: Analyzing trace with hash 375725453, now seen corresponding path program 1 times [2020-10-29 18:18:48,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:18:48,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136335329] [2020-10-29 18:18:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:18:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:49,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:49,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:49,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:49,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-29 18:18:54,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 18:18:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 18:18:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:54,597 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 18:18:54,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:18:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:18:54,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:18:54,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 18:18:54,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:18:54,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:18:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:18:54,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:18:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:18:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:18:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:18:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:18:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:18:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:18:54,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:18:54,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:18:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:18:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:18:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:18:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:18:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:18:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:18:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:18:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:18:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:54,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:18:54,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:18:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:18:54,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:54,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:18:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:18:54,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:18:54,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:54,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 18:18:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:54,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:54,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:55,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:59,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:59,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 18:18:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 18:18:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:18:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:59,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:59,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:18:59,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:18:59,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:18:59,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:18:59,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:18:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:18:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:18:59,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:18:59,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:19:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 18:19:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 18:19:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:19:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 18:19:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:19:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-29 18:19:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:19:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 18:19:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:19:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:19:00,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:00,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:19:00,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:00,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 18:19:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 18:19:00,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:19:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:19:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 18:19:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 18:19:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:19:00,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:00,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:19:00,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:00,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:19:00,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:00,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:19:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:19:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:00,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 18:19:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:00,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:00,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:19:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 18:19:00,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136335329] [2020-10-29 18:19:00,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:19:00,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 18:19:00,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435881020] [2020-10-29 18:19:00,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 18:19:00,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:19:00,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 18:19:00,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-29 18:19:00,594 INFO L87 Difference]: Start difference. First operand 670 states and 893 transitions. Second operand 14 states. [2020-10-29 18:19:01,119 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 18:19:03,141 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-29 18:19:03,706 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-29 18:19:28,728 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2020-10-29 18:19:29,884 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-29 18:19:31,138 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-29 18:19:32,169 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-29 18:19:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:19:53,199 INFO L93 Difference]: Finished difference Result 1410 states and 1905 transitions. [2020-10-29 18:19:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 18:19:53,204 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 111 [2020-10-29 18:19:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:19:53,214 INFO L225 Difference]: With dead ends: 1410 [2020-10-29 18:19:53,215 INFO L226 Difference]: Without dead ends: 758 [2020-10-29 18:19:53,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=153, Invalid=603, Unknown=0, NotChecked=0, Total=756 [2020-10-29 18:19:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-10-29 18:19:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 675. [2020-10-29 18:19:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-10-29 18:19:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 897 transitions. [2020-10-29 18:19:53,337 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 897 transitions. Word has length 111 [2020-10-29 18:19:53,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:19:53,338 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 897 transitions. [2020-10-29 18:19:53,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 18:19:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 897 transitions. [2020-10-29 18:19:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-29 18:19:53,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:19:53,343 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:19:53,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 18:19:53,343 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:19:53,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:19:53,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1797011335, now seen corresponding path program 1 times [2020-10-29 18:19:53,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:19:53,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138377857] [2020-10-29 18:19:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:19:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:53,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:53,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:53,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:54,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:58,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:58,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-29 18:19:58,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5148 [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 18:19:58,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 18:19:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,165 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-29 18:19:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:19:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:19:59,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 18:19:59,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:59,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:19:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:59,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:19:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:19:59,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:19:59,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:59,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:59,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:19:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:59,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:59,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 18:19:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 18:19:59,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:19:59,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:19:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:19:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 18:19:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:19:59,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 18:19:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:19:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:19:59,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:19:59,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:19:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:19:59,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:19:59,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:19:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:19:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:19:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:19:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:19:59,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 18:19:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:19:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:19:59,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:00,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1637 [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:20:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:20:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 18:20:01,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:20:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:20:01,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:20:01,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 18:20:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-29 18:20:01,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:20:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-29 18:20:01,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:20:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:20:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 18:20:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:20:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 18:20:01,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:20:01,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 18:20:01,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:20:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 18:20:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:20:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:20:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:20:01,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:20:01,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:20:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:20:01,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:20:01,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 18:20:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:20:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 18:20:01,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:20:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:20:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:20:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:20:01,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:20:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 18:20:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:20:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:20:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:20:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:20:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:20:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 18:20:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:20:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:20:01,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:20:01,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:20:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:20:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:20:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 18:20:01,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138377857] [2020-10-29 18:20:01,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:20:01,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 18:20:01,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131562402] [2020-10-29 18:20:01,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 18:20:01,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:20:01,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 18:20:01,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-10-29 18:20:01,995 INFO L87 Difference]: Start difference. First operand 675 states and 897 transitions. Second operand 17 states. [2020-10-29 18:20:02,495 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-29 18:20:04,194 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 249