./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f38d20c464d5958b65577d8826699a53d6bf9130 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f38d20c464d5958b65577d8826699a53d6bf9130 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 07:00:53,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 07:00:53,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 07:00:53,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 07:00:53,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 07:00:53,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 07:00:53,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 07:00:53,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 07:00:53,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 07:00:53,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 07:00:53,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 07:00:53,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 07:00:53,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 07:00:53,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 07:00:53,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 07:00:53,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 07:00:53,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 07:00:53,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 07:00:53,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 07:00:53,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 07:00:53,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 07:00:53,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 07:00:53,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 07:00:53,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 07:00:53,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 07:00:53,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 07:00:53,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 07:00:53,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 07:00:53,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 07:00:53,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 07:00:53,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 07:00:53,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 07:00:53,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 07:00:53,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 07:00:53,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 07:00:53,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 07:00:53,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 07:00:53,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 07:00:53,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 07:00:53,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 07:00:53,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 07:00:53,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-12-02 07:00:53,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 07:00:53,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 07:00:53,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 07:00:53,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 07:00:53,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 07:00:53,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 07:00:53,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 07:00:53,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 07:00:53,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 07:00:53,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 07:00:53,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 07:00:53,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 07:00:53,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 07:00:53,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 07:00:53,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 07:00:53,756 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 07:00:53,756 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 07:00:53,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 07:00:53,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 07:00:53,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 07:00:53,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 07:00:53,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 07:00:53,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 07:00:53,758 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 07:00:53,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 07:00:53,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 07:00:53,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-02 07:00:53,759 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f38d20c464d5958b65577d8826699a53d6bf9130 [2019-12-02 07:00:53,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 07:00:53,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 07:00:53,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 07:00:53,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 07:00:53,879 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 07:00:53,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-12-02 07:00:53,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/8d75a8f43/310c706fec8b425895b6f4e40495d224/FLAG27ba0a5d9 [2019-12-02 07:00:54,400 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 07:00:54,400 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-12-02 07:00:54,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/8d75a8f43/310c706fec8b425895b6f4e40495d224/FLAG27ba0a5d9 [2019-12-02 07:00:54,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/8d75a8f43/310c706fec8b425895b6f4e40495d224 [2019-12-02 07:00:54,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 07:00:54,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 07:00:54,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 07:00:54,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 07:00:54,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 07:00:54,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:54" (1/1) ... [2019-12-02 07:00:54,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2225e3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:54, skipping insertion in model container [2019-12-02 07:00:54,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:54" (1/1) ... [2019-12-02 07:00:54,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 07:00:54,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 07:00:55,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 07:00:55,339 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 07:00:55,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 07:00:55,612 INFO L208 MainTranslator]: Completed translation [2019-12-02 07:00:55,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55 WrapperNode [2019-12-02 07:00:55,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 07:00:55,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 07:00:55,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 07:00:55,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 07:00:55,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 07:00:55,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 07:00:55,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 07:00:55,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 07:00:55,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... [2019-12-02 07:00:55,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 07:00:55,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 07:00:55,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 07:00:55,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 07:00:55,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-02 07:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-02 07:00:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-12-02 07:00:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-12-02 07:00:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-12-02 07:00:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-12-02 07:00:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-02 07:00:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-12-02 07:00:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-02 07:00:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-12-02 07:00:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-12-02 07:00:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-12-02 07:00:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-12-02 07:00:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-12-02 07:00:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-02 07:00:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-12-02 07:00:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-12-02 07:00:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-12-02 07:00:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 07:00:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-12-02 07:00:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-12-02 07:00:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-12-02 07:00:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-12-02 07:00:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-12-02 07:00:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-12-02 07:00:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-12-02 07:00:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-12-02 07:00:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-12-02 07:00:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-12-02 07:00:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-12-02 07:00:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-12-02 07:00:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-12-02 07:00:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-12-02 07:00:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-12-02 07:00:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-12-02 07:00:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-12-02 07:00:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-12-02 07:00:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-12-02 07:00:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-12-02 07:00:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-12-02 07:00:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-12-02 07:00:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-12-02 07:00:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-12-02 07:00:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-12-02 07:00:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-12-02 07:00:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-12-02 07:00:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-12-02 07:00:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-12-02 07:00:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-12-02 07:00:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-12-02 07:00:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-12-02 07:00:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-12-02 07:00:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-12-02 07:00:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-12-02 07:00:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-12-02 07:00:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-12-02 07:00:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-12-02 07:00:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-12-02 07:00:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-02 07:00:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 07:00:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 07:00:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-12-02 07:00:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-12-02 07:00:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-12-02 07:00:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-12-02 07:01:05,531 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 07:01:05,531 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-02 07:01:05,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:05 BoogieIcfgContainer [2019-12-02 07:01:05,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 07:01:05,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 07:01:05,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 07:01:05,543 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 07:01:05,543 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:05" (1/1) ... [2019-12-02 07:01:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 07:01:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 654 states and 977 transitions. [2019-12-02 07:01:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 977 transitions. [2019-12-02 07:01:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 07:01:05,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 656 states and 979 transitions. [2019-12-02 07:01:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 979 transitions. [2019-12-02 07:01:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 07:01:05,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 658 states and 983 transitions. [2019-12-02 07:01:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 983 transitions. [2019-12-02 07:01:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 07:01:06,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 660 states and 988 transitions. [2019-12-02 07:01:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 988 transitions. [2019-12-02 07:01:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-02 07:01:06,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 686 states and 1065 transitions. [2019-12-02 07:01:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1065 transitions. [2019-12-02 07:01:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-02 07:01:06,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:06,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 687 states and 1066 transitions. [2019-12-02 07:01:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1066 transitions. [2019-12-02 07:01:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-02 07:01:06,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 691 states and 1078 transitions. [2019-12-02 07:01:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1078 transitions. [2019-12-02 07:01:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-02 07:01:07,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 688 states and 1072 transitions. [2019-12-02 07:01:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1072 transitions. [2019-12-02 07:01:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-02 07:01:07,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 689 states and 1072 transitions. [2019-12-02 07:01:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1072 transitions. [2019-12-02 07:01:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 07:01:07,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 696 states and 1111 transitions. [2019-12-02 07:01:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1111 transitions. [2019-12-02 07:01:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 07:01:08,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 07:01:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 693 states and 1105 transitions. [2019-12-02 07:01:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1105 transitions. [2019-12-02 07:01:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-02 07:01:08,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-02 07:01:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 695 states and 1107 transitions. [2019-12-02 07:01:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1107 transitions. [2019-12-02 07:01:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-02 07:01:08,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 07:01:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 696 states and 1108 transitions. [2019-12-02 07:01:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1108 transitions. [2019-12-02 07:01:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-02 07:01:08,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-02 07:01:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 697 states and 1109 transitions. [2019-12-02 07:01:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1109 transitions. [2019-12-02 07:01:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 07:01:08,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 07:01:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 694 states and 1103 transitions. [2019-12-02 07:01:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1103 transitions. [2019-12-02 07:01:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 07:01:08,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 07:01:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 695 states and 1104 transitions. [2019-12-02 07:01:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1104 transitions. [2019-12-02 07:01:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 07:01:08,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 07:01:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 696 states and 1104 transitions. [2019-12-02 07:01:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1104 transitions. [2019-12-02 07:01:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-02 07:01:08,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 07:01:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 700 states and 1111 transitions. [2019-12-02 07:01:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1111 transitions. [2019-12-02 07:01:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 07:01:08,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 07:01:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 702 states and 1113 transitions. [2019-12-02 07:01:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2019-12-02 07:01:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-02 07:01:09,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 07:01:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 704 states and 1115 transitions. [2019-12-02 07:01:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1115 transitions. [2019-12-02 07:01:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 07:01:09,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 07:01:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 706 states and 1117 transitions. [2019-12-02 07:01:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1117 transitions. [2019-12-02 07:01:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-02 07:01:09,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 07:01:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 713 states and 1127 transitions. [2019-12-02 07:01:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1127 transitions. [2019-12-02 07:01:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 07:01:09,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 07:01:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 715 states and 1130 transitions. [2019-12-02 07:01:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1130 transitions. [2019-12-02 07:01:09,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-02 07:01:09,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 07:01:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 707 states and 1114 transitions. [2019-12-02 07:01:10,029 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1114 transitions. [2019-12-02 07:01:10,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-02 07:01:10,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 07:01:10,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 711 states and 1119 transitions. [2019-12-02 07:01:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1119 transitions. [2019-12-02 07:01:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-02 07:01:10,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 07:01:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 713 states and 1122 transitions. [2019-12-02 07:01:10,823 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1122 transitions. [2019-12-02 07:01:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-02 07:01:10,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 07:01:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 714 states and 1122 transitions. [2019-12-02 07:01:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1122 transitions. [2019-12-02 07:01:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-02 07:01:11,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 07:01:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 720 states and 1132 transitions. [2019-12-02 07:01:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1132 transitions. [2019-12-02 07:01:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-02 07:01:11,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 07:01:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 720 states and 1131 transitions. [2019-12-02 07:01:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1131 transitions. [2019-12-02 07:01:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-02 07:01:11,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-02 07:01:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 721 states and 1132 transitions. [2019-12-02 07:01:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1132 transitions. [2019-12-02 07:01:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-02 07:01:11,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 07:01:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 728 states and 1145 transitions. [2019-12-02 07:01:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1145 transitions. [2019-12-02 07:01:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-02 07:01:11,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-02 07:01:11,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 731 states and 1149 transitions. [2019-12-02 07:01:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1149 transitions. [2019-12-02 07:01:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-02 07:01:11,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 735 states and 1155 transitions. [2019-12-02 07:01:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1155 transitions. [2019-12-02 07:01:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-02 07:01:11,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 738 states and 1159 transitions. [2019-12-02 07:01:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1159 transitions. [2019-12-02 07:01:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-02 07:01:11,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 07:01:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 755 states and 1218 transitions. [2019-12-02 07:01:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1218 transitions. [2019-12-02 07:01:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-02 07:01:13,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 759 states and 1223 transitions. [2019-12-02 07:01:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1223 transitions. [2019-12-02 07:01:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-02 07:01:13,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 762 states and 1227 transitions. [2019-12-02 07:01:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1227 transitions. [2019-12-02 07:01:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-02 07:01:13,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 765 states and 1231 transitions. [2019-12-02 07:01:13,732 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1231 transitions. [2019-12-02 07:01:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-02 07:01:13,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 07:01:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 770 states and 1241 transitions. [2019-12-02 07:01:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1241 transitions. [2019-12-02 07:01:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-02 07:01:14,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:14,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 07:01:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 767 states and 1235 transitions. [2019-12-02 07:01:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1235 transitions. [2019-12-02 07:01:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-02 07:01:14,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 769 states and 1237 transitions. [2019-12-02 07:01:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1237 transitions. [2019-12-02 07:01:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-02 07:01:14,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 07:01:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 782 states and 1260 transitions. [2019-12-02 07:01:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1260 transitions. [2019-12-02 07:01:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-02 07:01:15,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 07:01:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 783 states and 1260 transitions. [2019-12-02 07:01:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1260 transitions. [2019-12-02 07:01:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-02 07:01:15,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 786 states and 1264 transitions. [2019-12-02 07:01:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1264 transitions. [2019-12-02 07:01:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-02 07:01:15,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 792 states and 1276 transitions. [2019-12-02 07:01:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1276 transitions. [2019-12-02 07:01:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-02 07:01:15,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 795 states and 1280 transitions. [2019-12-02 07:01:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1280 transitions. [2019-12-02 07:01:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-02 07:01:15,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 07:01:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 796 states and 1280 transitions. [2019-12-02 07:01:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1280 transitions. [2019-12-02 07:01:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-02 07:01:15,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 07:01:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 799 states and 1284 transitions. [2019-12-02 07:01:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1284 transitions. [2019-12-02 07:01:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-02 07:01:15,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 800 states and 1285 transitions. [2019-12-02 07:01:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1285 transitions. [2019-12-02 07:01:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 07:01:16,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 802 states and 1290 transitions. [2019-12-02 07:01:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1290 transitions. [2019-12-02 07:01:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-02 07:01:16,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 07:01:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 815 states and 1311 transitions. [2019-12-02 07:01:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1311 transitions. [2019-12-02 07:01:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-02 07:01:16,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 07:01:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 819 states and 1317 transitions. [2019-12-02 07:01:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1317 transitions. [2019-12-02 07:01:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-02 07:01:16,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 07:01:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 828 states and 1334 transitions. [2019-12-02 07:01:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1334 transitions. [2019-12-02 07:01:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 07:01:16,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 835 states and 1346 transitions. [2019-12-02 07:01:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1346 transitions. [2019-12-02 07:01:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-02 07:01:16,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-02 07:01:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 837 states and 1352 transitions. [2019-12-02 07:01:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1352 transitions. [2019-12-02 07:01:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-02 07:01:16,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-02 07:01:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 838 states and 1353 transitions. [2019-12-02 07:01:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1353 transitions. [2019-12-02 07:01:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-02 07:01:16,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 07:01:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 859 states and 1425 transitions. [2019-12-02 07:01:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1425 transitions. [2019-12-02 07:01:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-02 07:01:20,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 07:01:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-02 07:01:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:01:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 861 states and 1428 transitions. [2019-12-02 07:01:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1428 transitions. [2019-12-02 07:01:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-02 07:01:20,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:01:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 07:01:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 07:01:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 07:01:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 07:01:30,767 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 58 iterations. [2019-12-02 07:01:30,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 07:01:30 ImpRootNode [2019-12-02 07:01:30,878 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 07:01:30,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 07:01:30,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 07:01:30,879 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 07:01:30,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:01:05" (3/4) ... [2019-12-02 07:01:30,881 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-02 07:01:30,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 07:01:30,883 INFO L168 Benchmark]: Toolchain (without parser) took 36446.68 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 569.4 MB). Free memory was 931.5 MB in the beginning and 992.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 508.2 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,883 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 07:01:30,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1176.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 931.5 MB in the beginning and 957.6 MB in the end (delta: -26.0 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.20 ms. Allocated memory is still 1.1 GB. Free memory was 957.6 MB in the beginning and 941.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,885 INFO L168 Benchmark]: Boogie Preprocessor took 141.67 ms. Allocated memory is still 1.1 GB. Free memory was 941.5 MB in the beginning and 925.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,885 INFO L168 Benchmark]: RCFGBuilder took 9644.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 925.3 MB in the beginning and 962.7 MB in the end (delta: -37.4 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,886 INFO L168 Benchmark]: CodeCheck took 25344.80 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.5 MB). Free memory was 962.7 MB in the beginning and 992.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 359.5 MB. Max. memory is 11.5 GB. [2019-12-02 07:01:30,886 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.6 GB. Free memory is still 992.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 07:01:30,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 43 procedures, 654 locations, 1 error locations. Result: UNSAFE, OverallTime: 25.2s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -732279212 SDtfs, 1543802008 SDslu, -273809396 SDs, 0 SdLazy, -1347689552 SolverSat, 152371468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46753 GetRequests, 46520 SyntacticMatches, 71 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8960 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 4220 NumberOfCodeBlocks, 4220 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 4069 ConstructedInterpolants, 0 QuantifiedInterpolants, 1632807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 56 PerfectInterpolantSequences, 732/734 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 7115]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 4859, overapproximation of bitwiseAnd at line 4724. Possible FailurePath: [L5020] static struct net_device **slip_devs ; [L5021] static int slip_maxdev = 256; [L5836-L5839] static struct net_device_ops const sl_netdev_ops = {& sl_init, & sl_uninit, & sl_open, & sl_close, & sl_xmit, 0, 0, 0, 0, 0, 0, & sl_ioctl, 0, & sl_change_mtu, 0, & sl_tx_timeout, & sl_get_stats64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6709-L6712] static struct tty_ldisc_ops sl_ldisc = {21507, (char *)"slip", 0, 0, & slip_open, & slip_close, 0, 0, 0, 0, & slip_ioctl, & slip_compat_ioctl, 0, 0, & slip_hangup, & slip_receive_buf, & slip_write_wakeup, 0, & __this_module, 0}; [L6896] int LDV_IN_INTERRUPT ; [L6899] struct net_device *var_group1 ; [L6900] int res_sl_init_14 ; [L6901] int res_sl_open_11 ; [L6902] int res_sl_close_10 ; [L6903] struct sk_buff *var_group2 ; [L6904] struct rtnl_link_stats64 *var_group3 ; [L6905] int var_sl_change_mtu_12_p1 ; [L6906] struct ifreq *var_group4 ; [L6907] int var_sl_ioctl_30_p2 ; [L6908] struct tty_struct *var_group5 ; [L6909] int res_slip_open_21 ; [L6910] struct file *var_group6 ; [L6911] unsigned int var_slip_ioctl_28_p2 ; [L6912] unsigned long var_slip_ioctl_28_p3 ; [L6913] unsigned int var_slip_compat_ioctl_29_p2 ; [L6914] unsigned long var_slip_compat_ioctl_29_p3 ; [L6915] unsigned char const *var_slip_receive_buf_18_p1 ; [L6916] char *var_slip_receive_buf_18_p2 ; [L6917] int var_slip_receive_buf_18_p3 ; [L6918] unsigned long var_sl_keepalive_34_p0 ; [L6919] unsigned long var_sl_outfill_33_p0 ; [L6920] int ldv_s_sl_netdev_ops_net_device_ops ; [L6921] int ldv_s_sl_ldisc_tty_ldisc_ops ; [L6922] int tmp ; [L6923] int tmp___0 ; [L6924] int tmp___1 ; [L6926] ldv_s_sl_netdev_ops_net_device_ops = 0 [L6927] ldv_s_sl_ldisc_tty_ldisc_ops = 0 [L6928] LDV_IN_INTERRUPT = 1 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L6930] FCALL ldv_handler_precall() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L6715] int status ; [L6716] void *tmp ; [L6718] COND FALSE !(slip_maxdev <= 3) [L4857] void *tmp ; VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L4859] CALL, EXPR kmalloc(size, flags | 32768U) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L4848] void *tmp___2 ; [L4843] CALL, EXPR ldv_malloc(size) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L4833] COND TRUE __VERIFIER_nondet_int() [L4834] void *res = malloc(size); [L4829] return ((unsigned long)ptr > ((unsigned long)-4095)); [L4836] return res; [L4843] RET, EXPR ldv_malloc(size) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L4843] return ldv_malloc(size); [L4850] tmp___2 = __kmalloc(size, flags) [L4851] return (tmp___2); [L4859] RET, EXPR kmalloc(size, flags | 32768U) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={0:0}, slip_maxdev=256] [L4859] tmp = kmalloc(size, flags | 32768U) [L4860] return (tmp); [L6726] tmp = kzalloc((unsigned long )slip_maxdev * 8UL, 208U) [L6727] slip_devs = (struct net_device **)tmp VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6728] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L7273] return __VERIFIER_nondet_int(); [L6733] status = tty_register_ldisc(1, & sl_ldisc) [L6734] COND FALSE !(status != 0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6739] return (status); VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6931] tmp = slip_init() [L6932] COND FALSE !(tmp != 0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7062] tmp___1 = __VERIFIER_nondet_int() [L7063] COND TRUE (tmp___1 != 0 || ldv_s_sl_netdev_ops_net_device_ops != 0) || ldv_s_sl_ldisc_tty_ldisc_ops != 0 [L6938] tmp___0 = __VERIFIER_nondet_int() [L6940] case 0: [L6953] case 1: [L6966] case 2: [L6979] case 3: [L6987] case 4: [L6991] case 5: [L6995] case 6: [L6999] case 7: [L7003] case 8: [L7007] case 9: VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7008] COND TRUE ldv_s_sl_ldisc_tty_ldisc_ops == 0 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7009] FCALL ldv_handler_precall() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7103] ldv_func_ret_type___1 ldv_func_res ; [L7104] int tmp ; [L6023] struct slip *sl ; [L6024] int err ; [L6025] int tmp ; [L6026] dev_t tmp___0 ; [L6027] struct task_struct *tmp___1 ; [L6028] int tmp___2 ; [L7158] return __VERIFIER_nondet_int(); [L6030] tmp = capable(12) [L6031] COND FALSE !(tmp == 0) [L6035] EXPR tty->ops [L6035] EXPR (tty->ops)->write VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6035-L6037] COND FALSE !((unsigned long )(tty->ops)->write == (unsigned long )((int (* )(struct tty_struct * , unsigned char const * , int ))0)) [L5911] int i ; [L5912] struct net_device *dev ; [L5913] struct slip *sl ; [L5914] void *tmp ; [L5916] i = 0 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5937] COND TRUE i < slip_maxdev [L5919] EXPR slip_devs + (unsigned long )i [L5919] dev = *(slip_devs + (unsigned long )i) [L5920] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6043] EXPR tty->disc_data [L6043] sl = (struct slip *)tty->disc_data [L6044] err = -17 [L6045] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 [L6045] EXPR sl->magic [L6045] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6045] COND FALSE !((unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250) [L6049] err = -23 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6050] CALL, EXPR tty_devnum(tty) VAL [__this_module={47:35}, arg0={2610:1965}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7262] return __VERIFIER_nondet_uint(); [L6050] RET, EXPR tty_devnum(tty) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6050] tmp___0 = tty_devnum(tty) [L5947] int i ; [L5948] struct net_device *dev ; [L5949] struct slip *sl ; [L5950] void *tmp ; [L5951] int tmp___0 ; [L5952] char name[16U] ; [L5953] void *tmp___1 ; [L5954] struct lock_class_key __key ; [L5955] struct lock_class_key __key___0 ; [L5956] struct lock_class_key __key___1 ; [L5958] dev = 0 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5959] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L5963] i = 0 VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5973] COND TRUE i < slip_maxdev [L5966] EXPR slip_devs + (unsigned long )i [L5966] dev = *(slip_devs + (unsigned long )i) [L5967] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5978] COND FALSE !(i >= slip_maxdev) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5982] COND FALSE !((unsigned long )dev != (unsigned long )((struct net_device *)0)) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L5994] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) [L7154] CALL, EXPR ldv_malloc(sizeof(struct net_device)) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L4833] COND TRUE __VERIFIER_nondet_int() [L4834] void *res = malloc(size); [L4829] return ((unsigned long)ptr > ((unsigned long)-4095)); [L4836] return res; [L7154] RET, EXPR ldv_malloc(sizeof(struct net_device)) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7154] return ldv_malloc(sizeof(struct net_device)); [L5996] dev = alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) [L5997] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L6001] dev->base_addr = (unsigned long )i VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6004] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [__this_module={47:35}, dev={2610:0}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L4889] return ((void *)dev + 2496U); [L6004] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6004] tmp___1 = netdev_priv((struct net_device const *)dev) [L6005] sl = (struct slip *)tmp___1 [L6006] sl->magic = 21250 [L6007] sl->dev = dev [L4767] return (& lock->ldv_5934.rlock); [L6010] sl->mode = 8U VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6011] FCALL init_timer_key(& sl->keepalive_timer, "&sl->keepalive_timer", & __key___0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6012] sl->keepalive_timer.data = (unsigned long )sl [L6013] sl->keepalive_timer.function = & sl_keepalive VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6014] FCALL init_timer_key(& sl->outfill_timer, "&sl->outfill_timer", & __key___1) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6015] sl->outfill_timer.data = (unsigned long )sl [L6016] sl->outfill_timer.function = & sl_outfill [L6017] *(slip_devs + (unsigned long )i) = dev [L6018] return (sl); [L6018] return (sl); [L6018] return (sl); [L6018] return (sl); [L6018] return (sl); VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6051] sl = sl_alloc(tmp___0) [L6052] COND FALSE !((unsigned long )sl == (unsigned long )((struct slip *)0)) [L6056] sl->tty = tty [L6057] tty->disc_data = (void *)sl VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6058] CALL, EXPR tty_devnum(tty) VAL [__this_module={47:35}, arg0={2610:1965}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7262] return __VERIFIER_nondet_uint(); [L6058] RET, EXPR tty_devnum(tty) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6058] sl->line = tty_devnum(tty) [L6059] CALL, EXPR get_current() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L4735] struct task_struct *pfo_ret__ ; [L4738] case 1UL: [L4741] case 2UL: [L4744] case 4UL: [L4747] case 8UL: [L4754] return (pfo_ret__); [L6059] RET, EXPR get_current() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6059] tmp___1 = get_current() [L6060] EXPR tmp___1->pid [L6060] sl->pid = tmp___1->pid [L6061] CALL, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [\old(nr)=0, __this_module={47:35}, addr={2610:2668}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L4724] EXPR addr + (unsigned long )(nr / 64U) [L4724] return ((int )((unsigned long )*(addr + (unsigned long )(nr / 64U)) >> ((int )nr & 63)) & 1); [L6061] RET, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6061] tmp___2 = constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) [L6062] COND FALSE !(tmp___2 == 0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6076] EXPR sl->keepalive VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6076] COND FALSE !((unsigned int )sl->keepalive != 0U) [L6081] EXPR sl->outfill VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6081] COND FALSE !((unsigned int )sl->outfill != 0U) [L6086] FCALL rtnl_unlock() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L6087] tty->receive_room = 65536U [L6088] EXPR sl->dev [L6088] EXPR (sl->dev)->base_addr [L6088] return ((int )(sl->dev)->base_addr); [L7106] tmp = slip_open(tty) [L7107] ldv_func_res = tmp [L7121] COND FALSE !(ret_val <= 0) VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] [L7115] __VERIFIER_error() VAL [__this_module={47:35}, LDV_IN_INTERRUPT=1, sl_ldisc={3078:0}, sl_netdev_ops={3067:0}, slip_devs={3057:0}, slip_maxdev=256] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1176.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 931.5 MB in the beginning and 957.6 MB in the end (delta: -26.0 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.20 ms. Allocated memory is still 1.1 GB. Free memory was 957.6 MB in the beginning and 941.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 141.67 ms. Allocated memory is still 1.1 GB. Free memory was 941.5 MB in the beginning and 925.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9644.71 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 925.3 MB in the beginning and 962.7 MB in the end (delta: -37.4 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. * CodeCheck took 25344.80 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.5 MB). Free memory was 962.7 MB in the beginning and 992.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 359.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.6 GB. Free memory is still 992.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-02 07:01:32,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 07:01:32,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 07:01:32,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 07:01:32,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 07:01:32,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 07:01:32,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 07:01:32,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 07:01:32,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 07:01:32,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 07:01:32,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 07:01:32,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 07:01:32,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 07:01:32,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 07:01:32,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 07:01:32,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 07:01:32,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 07:01:32,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 07:01:32,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 07:01:32,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 07:01:32,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 07:01:32,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 07:01:32,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 07:01:32,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 07:01:32,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 07:01:32,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 07:01:32,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 07:01:32,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 07:01:32,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 07:01:32,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 07:01:32,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 07:01:32,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 07:01:32,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 07:01:32,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 07:01:32,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 07:01:32,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 07:01:32,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 07:01:32,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 07:01:32,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 07:01:32,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 07:01:32,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 07:01:32,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2019-12-02 07:01:32,281 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 07:01:32,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 07:01:32,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 07:01:32,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 07:01:32,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 07:01:32,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 07:01:32,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-02 07:01:32,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 07:01:32,284 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 07:01:32,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 07:01:32,284 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 07:01:32,284 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 07:01:32,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 07:01:32,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 07:01:32,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 07:01:32,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-02 07:01:32,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-02 07:01:32,286 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-02 07:01:32,286 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f38d20c464d5958b65577d8826699a53d6bf9130 [2019-12-02 07:01:32,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 07:01:32,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 07:01:32,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 07:01:32,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 07:01:32,459 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 07:01:32,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-12-02 07:01:32,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/0206b2461/153a4552db724832912cdc2a0416444b/FLAG70386b103 [2019-12-02 07:01:33,006 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 07:01:33,006 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-12-02 07:01:33,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/0206b2461/153a4552db724832912cdc2a0416444b/FLAG70386b103 [2019-12-02 07:01:33,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/data/0206b2461/153a4552db724832912cdc2a0416444b [2019-12-02 07:01:33,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 07:01:33,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 07:01:33,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 07:01:33,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 07:01:33,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 07:01:33,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:33" (1/1) ... [2019-12-02 07:01:33,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:33, skipping insertion in model container [2019-12-02 07:01:33,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:01:33" (1/1) ... [2019-12-02 07:01:33,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 07:01:33,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 07:01:34,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 07:01:34,391 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-02 07:01:34,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 07:01:34,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 07:01:34,559 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 07:01:34,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 07:01:34,888 INFO L208 MainTranslator]: Completed translation [2019-12-02 07:01:34,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34 WrapperNode [2019-12-02 07:01:34,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 07:01:34,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 07:01:34,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 07:01:34,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 07:01:34,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:34,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:34,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 07:01:34,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 07:01:34,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 07:01:34,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 07:01:34,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:34,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... [2019-12-02 07:01:35,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 07:01:35,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 07:01:35,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 07:01:35,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 07:01:35,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:01:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ec268d7-5f0a-459f-97d6-ee7580607ac4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-02 07:01:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-02 07:01:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-02 07:01:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-12-02 07:01:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-12-02 07:01:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-12-02 07:01:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-12-02 07:01:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-12-02 07:01:35,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-12-02 07:01:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-12-02 07:01:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-12-02 07:01:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-12-02 07:01:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-12-02 07:01:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-12-02 07:01:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-12-02 07:01:35,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-12-02 07:01:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-12-02 07:01:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-12-02 07:01:35,165 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-12-02 07:01:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-12-02 07:01:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-12-02 07:01:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-12-02 07:01:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-12-02 07:01:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-12-02 07:01:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-12-02 07:01:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 07:01:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-12-02 07:01:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-12-02 07:01:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-12-02 07:01:35,166 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-12-02 07:01:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-12-02 07:01:35,167 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-02 07:01:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-12-02 07:01:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-12-02 07:01:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-12-02 07:01:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-12-02 07:01:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2019-12-02 07:01:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~C_INT [2019-12-02 07:01:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-12-02 07:01:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-12-02 07:01:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-02 07:01:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-12-02 07:01:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-12-02 07:01:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-12-02 07:01:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-12-02 07:01:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-12-02 07:01:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-12-02 07:01:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-12-02 07:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-12-02 07:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-12-02 07:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-12-02 07:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-12-02 07:01:35,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-12-02 07:01:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-12-02 07:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-12-02 07:01:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-12-02 07:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-12-02 07:01:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-12-02 07:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-12-02 07:01:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 07:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 07:01:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-12-02 07:01:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-12-02 07:01:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-12-02 07:01:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-12-02 07:03:47,463 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 07:03:47,463 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-12-02 07:03:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:47 BoogieIcfgContainer [2019-12-02 07:03:47,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 07:03:47,465 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 07:03:47,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 07:03:47,471 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 07:03:47,471 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:47" (1/1) ... [2019-12-02 07:03:47,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 07:03:47,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 07:03:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 654 states and 977 transitions. [2019-12-02 07:03:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 977 transitions. [2019-12-02 07:03:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 07:03:47,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 07:03:47,558 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-02 07:03:47,561 INFO L168 Benchmark]: Toolchain (without parser) took 134078.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.9 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -272.2 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,561 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 07:03:47,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1406.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 941.6 MB in the beginning and 909.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.38 ms. Allocated memory is still 1.2 GB. Free memory was 909.4 MB in the beginning and 895.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,563 INFO L168 Benchmark]: Boogie Preprocessor took 129.47 ms. Allocated memory is still 1.2 GB. Free memory was 895.7 MB in the beginning and 868.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,564 INFO L168 Benchmark]: RCFGBuilder took 132346.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 868.4 MB in the beginning and 1.2 GB in the end (delta: -357.1 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,564 INFO L168 Benchmark]: CodeCheck took 94.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-12-02 07:03:47,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1406.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 941.6 MB in the beginning and 909.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.38 ms. Allocated memory is still 1.2 GB. Free memory was 909.4 MB in the beginning and 895.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.47 ms. Allocated memory is still 1.2 GB. Free memory was 895.7 MB in the beginning and 868.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132346.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 868.4 MB in the beginning and 1.2 GB in the end (delta: -357.1 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. * CodeCheck took 94.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...