/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=NARROWEST --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 [2020-10-13 19:30:50,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:30:50,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:30:50,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:30:50,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:30:50,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:30:50,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:30:50,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:30:50,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:30:50,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:30:50,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:30:50,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:30:50,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:30:50,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:30:50,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:30:50,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:30:50,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:30:50,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:30:50,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:30:50,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:30:50,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:30:50,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:30:50,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:30:50,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:30:50,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:30:50,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:30:50,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:30:50,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:30:50,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:30:50,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:30:50,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:30:50,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:30:50,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:30:50,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:30:50,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:30:50,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:30:50,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:30:50,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:30:50,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:30:50,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:30:50,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:30:50,529 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 [2020-10-13 19:30:50,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:30:50,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:30:50,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:30:50,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:30:50,553 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:30:50,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:30:50,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:30:50,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:30:50,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:30:50,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:30:50,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:30:50,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:30:50,554 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:30:50,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:30:50,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:30:50,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:30:50,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:30:50,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:30:50,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:30:50,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:30:50,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:30:50,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:30:50,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:30:50,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:30:50,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:30:50,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:30:50,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:30:50,557 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:30:50,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:30:50,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:30:50,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:30:50,890 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:30:50,890 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:30:50,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-13 19:30:50,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37398afe0/2910791a04b34f8b939a732ce28f2bbd/FLAGe4ffabc8b [2020-10-13 19:30:51,720 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:30:51,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-13 19:30:51,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37398afe0/2910791a04b34f8b939a732ce28f2bbd/FLAGe4ffabc8b [2020-10-13 19:30:51,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37398afe0/2910791a04b34f8b939a732ce28f2bbd [2020-10-13 19:30:51,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:30:51,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:30:51,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:30:51,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:30:51,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:30:51,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:51" (1/1) ... [2020-10-13 19:30:51,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a1e51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:51, skipping insertion in model container [2020-10-13 19:30:51,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:51" (1/1) ... [2020-10-13 19:30:51,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:30:51,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:30:53,598 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-13 19:30:53,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:30:53,630 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:30:54,000 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-13 19:30:54,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:30:54,285 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:30:54,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54 WrapperNode [2020-10-13 19:30:54,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:30:54,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:30:54,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:30:54,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:30:54,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (1/1) ... [2020-10-13 19:30:54,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:30:54,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:30:54,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:30:54,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:30:54,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (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 [2020-10-13 19:30:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:30:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:30:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 19:30:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 19:30:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 19:30:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 19:30:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-13 19:30:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 19:30:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2020-10-13 19:30:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 19:30:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 19:30:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 19:30:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 19:30:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 19:30:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 19:30:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-13 19:30:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:30:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2020-10-13 19:30:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2020-10-13 19:30:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2020-10-13 19:30:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2020-10-13 19:30:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2020-10-13 19:30:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2020-10-13 19:30:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2020-10-13 19:30:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 19:30:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-13 19:30:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 19:30:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 19:30:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 19:30:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 19:30:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:30:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2020-10-13 19:30:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-13 19:30:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2020-10-13 19:30:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-13 19:30:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:30:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 19:30:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:30:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:30:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:30:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 19:30:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 19:30:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 19:30:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-13 19:30:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:30:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 19:30:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 19:30:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 19:30:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 19:30:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-13 19:30:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2020-10-13 19:30:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 19:30:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:30:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2020-10-13 19:30:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2020-10-13 19:30:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2020-10-13 19:30:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2020-10-13 19:30:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2020-10-13 19:30:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2020-10-13 19:30:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2020-10-13 19:30:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure match [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2020-10-13 19:30:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2020-10-13 19:30:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 19:30:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 19:30:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:30:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:30:56,009 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:31:14,396 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:31:14,396 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 19:31:14,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:14 BoogieIcfgContainer [2020-10-13 19:31:14,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:31:14,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:31:14,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:31:14,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:31:14,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:30:51" (1/3) ... [2020-10-13 19:31:14,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67854914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:14, skipping insertion in model container [2020-10-13 19:31:14,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:54" (2/3) ... [2020-10-13 19:31:14,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67854914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:14, skipping insertion in model container [2020-10-13 19:31:14,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:14" (3/3) ... [2020-10-13 19:31:14,422 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 [2020-10-13 19:31:14,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:31:14,443 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:31:14,456 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:31:14,486 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:31:14,486 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:31:14,486 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:31:14,486 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:31:14,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:31:14,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:31:14,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:31:14,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:31:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states. [2020-10-13 19:31:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 19:31:14,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:31:14,549 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] [2020-10-13 19:31:14,550 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:31:14,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:31:14,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1932337207, now seen corresponding path program 1 times [2020-10-13 19:31:14,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:31:14,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649460940] [2020-10-13 19:31:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:31:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:15,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:16,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 19:31:16,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:16,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1484 [2020-10-13 19:31:16,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:31:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 19:31:16,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 19:31:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 19:31:17,103 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-13 19:31:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:31:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:31:17,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 19:31:17,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:31:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:31:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:31:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:31:17,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:31:17,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:31:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:31:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:31:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:31:17,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:31:17,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:31:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:31:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:31:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:31:17,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 19:31:17,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:31:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:31:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:31:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:31:17,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:31:17,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:31:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:31:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 19:31:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:31:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 19:31:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:31:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 19:31:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:31:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:31:17,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:31:17,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:31:17,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:31:17,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:31:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 19:31:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:31:17,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:31:17,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:31:17,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:31:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 19:31:17,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:31:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:31:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:31:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:31:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:31:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 19:31:17,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649460940] [2020-10-13 19:31:17,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:31:17,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:31:17,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334259264] [2020-10-13 19:31:17,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:31:17,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:31:17,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:31:17,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:31:17,589 INFO L87 Difference]: Start difference. First operand 1209 states. Second operand 9 states. [2020-10-13 19:31:18,095 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-13 19:31:19,169 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2020-10-13 19:31:19,750 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2020-10-13 19:31:23,510 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 297 [2020-10-13 19:31:24,211 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-13 19:31:24,781 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2020-10-13 19:31:40,577 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2020-10-13 19:32:57,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:32:57,342 INFO L93 Difference]: Finished difference Result 3757 states and 5313 transitions. [2020-10-13 19:32:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 19:32:57,348 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-10-13 19:32:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:32:57,404 INFO L225 Difference]: With dead ends: 3757 [2020-10-13 19:32:57,404 INFO L226 Difference]: Without dead ends: 2609 [2020-10-13 19:32:57,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-13 19:32:57,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2020-10-13 19:32:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2083. [2020-10-13 19:32:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2083 states. [2020-10-13 19:32:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2715 transitions. [2020-10-13 19:32:57,949 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2715 transitions. Word has length 55 [2020-10-13 19:32:57,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:32:57,950 INFO L479 AbstractCegarLoop]: Abstraction has 2083 states and 2715 transitions. [2020-10-13 19:32:57,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 19:32:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2715 transitions. [2020-10-13 19:32:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 19:32:57,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:32:57,965 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] [2020-10-13 19:32:57,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 19:32:57,966 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:32:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:32:57,967 INFO L82 PathProgramCache]: Analyzing trace with hash -36342648, now seen corresponding path program 1 times [2020-10-13 19:32:57,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:32:57,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691466930] [2020-10-13 19:32:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:32:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:58,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:58,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:58,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:58,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 19:33:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 19:33:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-13 19:33:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:33:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 19:33:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:33:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:03,599 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-13 19:33:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:03,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 19:33:03,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:03,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:03,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:33:03,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:03,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:03,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:03,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:03,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:03,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:33:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:03,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:03,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:03,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 19:33:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 19:33:04,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 19:33:04,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-13 19:33:04,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 19:33:04,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:33:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 19:33:04,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 19:33:04,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:04,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:33:04,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:04,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:33:04,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:33:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:33:04,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 19:33:04,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:04,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:33:04,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:33:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 19:33:04,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:04,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 19:33:04,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:33:04,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 19:33:04,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 19:33:04,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:33:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 19:33:04,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 19:33:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:04,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:33:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 19:33:04,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:33:04,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:04,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 19:33:04,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 19:33:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:04,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:04,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:04,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:04,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:04,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:04,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:33:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 19:33:04,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691466930] [2020-10-13 19:33:04,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:33:04,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 19:33:04,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786755997] [2020-10-13 19:33:04,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 19:33:04,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:33:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 19:33:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 19:33:04,690 INFO L87 Difference]: Start difference. First operand 2083 states and 2715 transitions. Second operand 8 states. [2020-10-13 19:33:05,121 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-13 19:33:06,286 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2020-10-13 19:33:06,903 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2020-10-13 19:33:53,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 19:33:53,499 INFO L93 Difference]: Finished difference Result 5006 states and 6862 transitions. [2020-10-13 19:33:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 19:33:53,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-10-13 19:33:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 19:33:53,525 INFO L225 Difference]: With dead ends: 5006 [2020-10-13 19:33:53,526 INFO L226 Difference]: Without dead ends: 2941 [2020-10-13 19:33:53,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 19:33:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-10-13 19:33:53,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2208. [2020-10-13 19:33:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2208 states. [2020-10-13 19:33:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 2860 transitions. [2020-10-13 19:33:53,933 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 2860 transitions. Word has length 119 [2020-10-13 19:33:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 19:33:53,934 INFO L479 AbstractCegarLoop]: Abstraction has 2208 states and 2860 transitions. [2020-10-13 19:33:53,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 19:33:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2860 transitions. [2020-10-13 19:33:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 19:33:53,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:33:53,943 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] [2020-10-13 19:33:53,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 19:33:53,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:33:53,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:33:53,944 INFO L82 PathProgramCache]: Analyzing trace with hash -199575512, now seen corresponding path program 1 times [2020-10-13 19:33:53,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:33:53,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181200638] [2020-10-13 19:33:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:33:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:55,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 19:33:59,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 19:33:59,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 19:33:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:33:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-13 19:33:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:33:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,585 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2020-10-13 19:33:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:59,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:33:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:59,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:59,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:33:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:59,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:59,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:33:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:33:59,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:59,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:33:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:59,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:59,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 19:33:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:33:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:59,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:33:59,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:33:59,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 19:33:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 19:33:59,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:33:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:33:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:59,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 19:33:59,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 19:33:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 19:33:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:33:59,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:33:59,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:33:59,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:33:59,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:33:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:33:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:33:59,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:33:59,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:33:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 19:33:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:33:59,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:33:59,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 19:34:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 19:34:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-13 19:34:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 19:34:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:34:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 19:34:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 19:34:00,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:34:00,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:34:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:34:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:00,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 19:34:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 19:34:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 19:34:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:00,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 19:34:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 19:34:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 19:34:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 19:34:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:34:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 19:34:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:34:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 19:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:34:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 19:34:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 19:34:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:34:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 19:34:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 19:34:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 19:34:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 19:34:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:34:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 19:34:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:34:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:00,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 19:34:00,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:34:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 19:34:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:34:00,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:34:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:34:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 19:34:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:34:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:34:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-13 19:34:00,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181200638] [2020-10-13 19:34:00,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:34:00,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 19:34:00,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525965641] [2020-10-13 19:34:00,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 19:34:00,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:34:00,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 19:34:00,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 19:34:00,498 INFO L87 Difference]: Start difference. First operand 2208 states and 2860 transitions. Second operand 9 states. [2020-10-13 19:34:00,935 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2020-10-13 19:34:11,090 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 297