/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.2 --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 -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:32:59,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:32:59,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:32:59,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:32:59,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:32:59,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:32:59,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:32:59,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:32:59,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:32:59,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:32:59,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:32:59,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:32:59,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:32:59,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:32:59,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:32:59,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:32:59,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:32:59,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:32:59,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:32:59,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:32:59,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:32:59,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:32:59,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:32:59,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:32:59,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:32:59,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:32:59,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:32:59,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:32:59,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:32:59,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:32:59,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:32:59,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:32:59,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:32:59,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:32:59,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:32:59,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:32:59,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:32:59,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:32:59,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:32:59,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:32:59,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:32:59,534 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 [2020-10-15 08:32:59,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:32:59,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:32:59,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:32:59,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:32:59,580 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:32:59,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:32:59,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:32:59,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:32:59,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:32:59,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:32:59,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:32:59,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:32:59,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:32:59,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:32:59,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:32:59,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:32:59,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:32:59,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:32:59,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:32:59,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:32:59,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:32:59,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:32:59,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:32:59,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:32:59,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:32:59,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:32:59,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:32:59,586 INFO L138 SettingsManager]: * To the following directory=dump/ 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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:32:59,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:32:59,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:32:59,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:32:59,915 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:32:59,916 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:32:59,916 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-15 08:32:59,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd125aa3/2ca2d3293bfa44bda76ea4c7e88aa390/FLAGd04072317 [2020-10-15 08:33:00,705 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:33:00,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-15 08:33:00,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd125aa3/2ca2d3293bfa44bda76ea4c7e88aa390/FLAGd04072317 [2020-10-15 08:33:01,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffd125aa3/2ca2d3293bfa44bda76ea4c7e88aa390 [2020-10-15 08:33:01,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:33:01,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:33:01,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:33:01,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:33:01,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:33:01,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:33:01" (1/1) ... [2020-10-15 08:33:01,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26dcb814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:01, skipping insertion in model container [2020-10-15 08:33:01,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:33:01" (1/1) ... [2020-10-15 08:33:01,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:33:01,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:33:03,283 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-15 08:33:03,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:33:03,329 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:33:03,727 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-15 08:33:03,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:33:04,021 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:33:04,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04 WrapperNode [2020-10-15 08:33:04,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:33:04,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:33:04,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:33:04,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:33:04,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (1/1) ... [2020-10-15 08:33:04,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:33:04,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:33:04,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:33:04,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:33:04,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (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 [2020-10-15 08:33:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:33:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:33:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 08:33:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 08:33:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-15 08:33:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 08:33:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-15 08:33:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-15 08:33:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2020-10-15 08:33:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2020-10-15 08:33:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 08:33:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 08:33:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2020-10-15 08:33:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-15 08:33:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-15 08:33:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 08:33:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 08:33:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 08:33:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 08:33:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 08:33:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-15 08:33:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2020-10-15 08:33:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-15 08:33:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:33:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2020-10-15 08:33:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2020-10-15 08:33:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2020-10-15 08:33:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2020-10-15 08:33:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2020-10-15 08:33:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2020-10-15 08:33:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2020-10-15 08:33:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2020-10-15 08:33:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2020-10-15 08:33:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2020-10-15 08:33:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2020-10-15 08:33:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2020-10-15 08:33:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2020-10-15 08:33:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2020-10-15 08:33:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2020-10-15 08:33:04,524 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2020-10-15 08:33:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2020-10-15 08:33:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2020-10-15 08:33:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2020-10-15 08:33:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2020-10-15 08:33:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2020-10-15 08:33:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-15 08:33:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:33:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-15 08:33:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:33:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:33:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:33:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:33:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:33:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:33:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:33:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:33:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:33:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:33:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:33:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:33:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-15 08:33:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-15 08:33:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-15 08:33:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-15 08:33:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 08:33:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-15 08:33:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 08:33:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 08:33:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 08:33:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 08:33:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 08:33:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 08:33:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-15 08:33:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2020-10-15 08:33:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2020-10-15 08:33:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2020-10-15 08:33:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2020-10-15 08:33:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2020-10-15 08:33:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 08:33:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-15 08:33:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2020-10-15 08:33:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2020-10-15 08:33:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 08:33:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2020-10-15 08:33:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 08:33:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 08:33:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2020-10-15 08:33:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2020-10-15 08:33:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2020-10-15 08:33:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 08:33:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2020-10-15 08:33:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2020-10-15 08:33:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2020-10-15 08:33:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-15 08:33:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:33:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:33:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:33:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:33:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:33:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 08:33:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 08:33:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-15 08:33:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 08:33:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 08:33:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 08:33:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:33:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 08:33:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-15 08:33:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-15 08:33:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 08:33:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 08:33:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2020-10-15 08:33:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:33:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-15 08:33:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:33:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-15 08:33:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2020-10-15 08:33:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:33:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:33:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:33:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:33:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:33:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:33:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:33:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2020-10-15 08:33:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2020-10-15 08:33:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2020-10-15 08:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2020-10-15 08:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2020-10-15 08:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2020-10-15 08:33:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2020-10-15 08:33:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2020-10-15 08:33:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2020-10-15 08:33:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2020-10-15 08:33:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure match [2020-10-15 08:33:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2020-10-15 08:33:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2020-10-15 08:33:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:33:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-10-15 08:33:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:33:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:33:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:33:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:33:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:33:06,065 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:33:24,175 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:33:24,176 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:33:24,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:33:24 BoogieIcfgContainer [2020-10-15 08:33:24,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:33:24,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:33:24,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:33:24,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:33:24,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:33:01" (1/3) ... [2020-10-15 08:33:24,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568ff715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:33:24, skipping insertion in model container [2020-10-15 08:33:24,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:04" (2/3) ... [2020-10-15 08:33:24,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568ff715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:33:24, skipping insertion in model container [2020-10-15 08:33:24,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:33:24" (3/3) ... [2020-10-15 08:33:24,196 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-15 08:33:24,207 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:33:24,217 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:33:24,229 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:33:24,258 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:33:24,258 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:33:24,258 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:33:24,258 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:33:24,258 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:33:24,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:33:24,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:33:24,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:33:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states. [2020-10-15 08:33:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 08:33:24,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:33:24,321 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 08:33:24,321 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:33:24,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:33:24,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1932337207, now seen corresponding path program 1 times [2020-10-15 08:33:24,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:33:24,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029258371] [2020-10-15 08:33:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:33:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:25,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:26,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:26,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-15 08:33:26,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:26,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1780 [2020-10-15 08:33:26,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:26,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:33:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 08:33:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 08:33:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 08:33:27,378 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-15 08:33:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:33:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:33:27,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-15 08:33:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:33:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:33:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:33:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:33:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:33:27,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:33:27,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:33:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:33:27,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:33:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:33:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:33:27,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:33:27,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:33:27,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:33:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:33:27,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:33:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:33:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 08:33:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:33:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:33:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 08:33:27,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:33:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:33:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:33:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:33:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:33:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:33:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 08:33:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:33:27,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 08:33:27,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:33:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 08:33:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:33:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:33:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:33:27,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:33:27,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:33:27,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:33:27,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:33:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 08:33:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:33:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:33:27,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:33:27,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:33:27,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:33:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:33:27,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:33:27,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:33:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:33:27,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:33:27,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:33:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:33:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 08:33:27,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029258371] [2020-10-15 08:33:27,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:33:27,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 08:33:27,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234711252] [2020-10-15 08:33:27,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 08:33:27,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:33:27,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 08:33:27,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-15 08:33:27,993 INFO L87 Difference]: Start difference. First operand 1209 states. Second operand 9 states. [2020-10-15 08:33:28,505 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-15 08:33:29,980 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2020-10-15 08:33:30,555 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2020-10-15 08:33:34,614 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 297 [2020-10-15 08:33:35,321 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 08:33:35,869 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 08:33:52,227 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2020-10-15 08:35:13,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:35:13,943 INFO L93 Difference]: Finished difference Result 3757 states and 5313 transitions. [2020-10-15 08:35:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 08:35:13,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-10-15 08:35:13,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:35:13,997 INFO L225 Difference]: With dead ends: 3757 [2020-10-15 08:35:13,997 INFO L226 Difference]: Without dead ends: 2609 [2020-10-15 08:35:14,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-15 08:35:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2020-10-15 08:35:14,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2083. [2020-10-15 08:35:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-10-15 08:35:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2715 transitions. [2020-10-15 08:35:14,563 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2715 transitions. Word has length 55 [2020-10-15 08:35:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:35:14,563 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2715 transitions. [2020-10-15 08:35:14,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 08:35:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2715 transitions. [2020-10-15 08:35:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 08:35:14,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:35:14,581 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:35:14,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:35:14,582 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:35:14,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:35:14,582 INFO L82 PathProgramCache]: Analyzing trace with hash -36342648, now seen corresponding path program 1 times [2020-10-15 08:35:14,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:35:14,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832201098] [2020-10-15 08:35:14,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:35:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:14,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:15,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:19,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 08:35:19,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:35:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5098 [2020-10-15 08:35:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:35:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 08:35:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 08:35:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:20,373 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-15 08:35:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:35:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:20,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:20,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 08:35:20,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:20,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:20,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:35:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:20,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:35:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:35:20,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:20,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:20,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:20,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:35:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:20,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:35:20,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:35:20,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:20,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:20,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:35:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:35:20,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:35:20,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:20,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:35:20,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:35:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:20,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:20,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:35:20,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:20,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 08:35:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-15 08:35:21,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:35:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-15 08:35:21,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:35:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-15 08:35:21,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:35:21,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 08:35:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:35:21,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 08:35:21,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:35:21,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:35:21,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:21,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:35:21,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 08:35:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:35:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 08:35:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:21,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:35:21,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:35:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-15 08:35:21,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 08:35:21,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:35:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:35:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:35:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 08:35:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 08:35:21,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:35:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 08:35:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:35:21,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 08:35:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:35:21,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:35:21,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:35:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:35:21,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:35:21,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 08:35:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:35:21,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:35:21,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 08:35:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:35:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:35:21,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:35:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-15 08:35:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:35:21,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:35:21,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:35:21,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:35:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:35:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:35:21,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:35:21,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:35:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:35:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:35:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:35:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:35:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 08:35:21,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832201098] [2020-10-15 08:35:21,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:35:21,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 08:35:21,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068987111] [2020-10-15 08:35:21,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 08:35:21,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:35:21,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 08:35:21,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 08:35:21,544 INFO L87 Difference]: Start difference. First operand 2083 states and 2715 transitions. Second operand 9 states. [2020-10-15 08:35:22,004 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-15 08:35:23,646 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2020-10-15 08:35:24,243 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2020-10-15 08:35:33,495 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-15 08:36:26,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:36:26,176 INFO L93 Difference]: Finished difference Result 5136 states and 7143 transitions. [2020-10-15 08:36:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 08:36:26,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2020-10-15 08:36:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:36:26,205 INFO L225 Difference]: With dead ends: 5136 [2020-10-15 08:36:26,205 INFO L226 Difference]: Without dead ends: 3071 [2020-10-15 08:36:26,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-10-15 08:36:26,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2020-10-15 08:36:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2274. [2020-10-15 08:36:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2274 states. [2020-10-15 08:36:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 2950 transitions. [2020-10-15 08:36:26,622 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 2950 transitions. Word has length 119 [2020-10-15 08:36:26,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:36:26,622 INFO L479 AbstractCegarLoop]: Abstraction has 2274 states and 2950 transitions. [2020-10-15 08:36:26,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 08:36:26,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2950 transitions. [2020-10-15 08:36:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-15 08:36:26,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:36:26,632 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:36:26,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 08:36:26,633 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:36:26,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:36:26,633 INFO L82 PathProgramCache]: Analyzing trace with hash 11293127, now seen corresponding path program 1 times [2020-10-15 08:36:26,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:36:26,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263405638] [2020-10-15 08:36:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:36:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:26,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:27,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:27,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:31,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:31,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-15 08:36:31,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:36:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-15 08:36:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:31,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 08:36:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 08:36:31,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 08:36:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,403 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-15 08:36:32,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:32,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 08:36:32,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:36:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:32,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:32,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:36:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:32,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:36:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:36:32,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:36:32,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:36:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:36:32,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:36:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 08:36:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:36:32,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:36:32,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:32,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 08:36:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:32,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:36:32,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 08:36:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 08:36:32,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 08:36:32,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 08:36:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:32,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:36:32,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:36:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:32,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:36:32,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:32,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:36:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:32,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:32,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 08:36:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:32,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:33,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:34,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:34,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 08:36:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:36:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1821 [2020-10-15 08:36:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:34,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 08:36:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-15 08:36:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:34,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 08:36:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:34,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:34,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:34,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 08:36:34,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:34,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 08:36:34,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:34,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 08:36:34,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:34,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:34,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:34,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:36:34,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:34,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:36:34,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:34,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:34,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:34,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:34,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:34,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:34,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 08:36:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:34,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:36:35,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-15 08:36:35,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:36:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 08:36:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:35,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:36:35,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:36:35,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:36:35,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 08:36:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-15 08:36:35,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-15 08:36:35,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 08:36:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 08:36:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 08:36:35,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 08:36:35,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 08:36:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:35,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 08:36:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 08:36:35,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 08:36:35,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 08:36:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 08:36:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 08:36:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-15 08:36:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:36:35,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:36:35,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:35,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 08:36:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:36:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:35,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:36:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:36:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-15 08:36:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:36:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:36:35,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:36:35,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:36:35,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:36:35,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:36:35,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:36:35,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:36:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:36:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:36:35,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:36:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:36:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-15 08:36:35,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263405638] [2020-10-15 08:36:35,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:36:35,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 08:36:35,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995772050] [2020-10-15 08:36:35,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 08:36:35,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:36:35,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 08:36:35,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-15 08:36:35,642 INFO L87 Difference]: Start difference. First operand 2274 states and 2950 transitions. Second operand 12 states. [2020-10-15 08:36:36,167 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-15 08:36:39,455 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2020-10-15 08:36:40,171 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2020-10-15 08:36:53,009 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 296