./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:43:49,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:43:49,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:43:49,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:43:49,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:43:49,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:43:49,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:43:49,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:43:49,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:43:49,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:43:49,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:43:49,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:43:49,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:43:49,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:43:49,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:43:49,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:43:49,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:43:49,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:43:49,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:43:49,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:43:49,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:43:49,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:43:49,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:43:49,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:43:49,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:43:49,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:43:49,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:43:49,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:43:49,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:43:49,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:43:49,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:43:49,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:43:49,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:43:49,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:43:49,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:43:49,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:43:49,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:43:49,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:43:49,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:43:49,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:43:49,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:43:49,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 23:43:50,027 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:43:50,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:43:50,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:43:50,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:43:50,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:43:50,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:43:50,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:43:50,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:43:50,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:43:50,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:43:50,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:43:50,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:43:50,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:43:50,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:43:50,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:43:50,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:43:50,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:43:50,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:43:50,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:43:50,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:43:50,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:43:50,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:43:50,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:43:50,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:43:50,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:43:50,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2022-11-21 23:43:50,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:43:50,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:43:50,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:43:50,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:43:50,390 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:43:50,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2022-11-21 23:43:53,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:43:53,977 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:43:53,978 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2022-11-21 23:43:54,006 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/data/d2b4eb8f3/f3e611990e484d52a627617842cc1f66/FLAG77449b659 [2022-11-21 23:43:54,023 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/data/d2b4eb8f3/f3e611990e484d52a627617842cc1f66 [2022-11-21 23:43:54,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:43:54,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:43:54,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:43:54,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:43:54,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:43:54,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:43:54" (1/1) ... [2022-11-21 23:43:54,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f863ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:54, skipping insertion in model container [2022-11-21 23:43:54,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:43:54" (1/1) ... [2022-11-21 23:43:54,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:43:54,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:43:54,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2022-11-21 23:43:54,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:43:54,872 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:43:55,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2022-11-21 23:43:55,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:43:55,105 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:43:55,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55 WrapperNode [2022-11-21 23:43:55,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:43:55,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:43:55,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:43:55,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:43:55,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,177 INFO L138 Inliner]: procedures = 49, calls = 65, calls flagged for inlining = 21, calls inlined = 14, statements flattened = 168 [2022-11-21 23:43:55,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:43:55,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:43:55,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:43:55,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:43:55,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:43:55,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:43:55,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:43:55,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:43:55,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:43:55,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:43:55,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:43:55,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:43:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:43:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:43:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 23:43:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 23:43:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-21 23:43:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-21 23:43:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:43:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:43:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:43:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:43:55,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:43:55,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:43:55,492 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 23:43:55,751 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-11-21 23:43:55,752 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-11-21 23:43:55,776 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:43:55,956 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:43:55,956 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:43:55,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:43:55 BoogieIcfgContainer [2022-11-21 23:43:55,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:43:55,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:43:55,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:43:56,005 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:43:56,005 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:43:55" (1/1) ... [2022-11-21 23:43:56,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:43:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-21 23:43:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-21 23:43:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:43:56,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:43:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2022-11-21 23:43:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2022-11-21 23:43:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:43:56,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:43:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-11-21 23:43:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-11-21 23:43:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:43:56,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:56,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:43:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-11-21 23:43:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-11-21 23:43:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:43:56,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:43:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2022-11-21 23:43:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2022-11-21 23:43:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:43:56,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:43:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-11-21 23:43:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-11-21 23:43:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:43:57,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:57,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:43:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-11-21 23:43:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-11-21 23:43:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:43:57,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:43:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:43:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2022-11-21 23:43:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2022-11-21 23:43:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:43:59,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:43:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:43:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:43:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:44:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:44:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 24 states and 30 transitions. [2022-11-21 23:44:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-11-21 23:44:00,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:44:00,390 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:44:00,399 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-21 23:44:00,554 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,559 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,560 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:44:00,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:44:00 ImpRootNode [2022-11-21 23:44:00,561 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:44:00,562 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:44:00,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:44:00,562 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:44:00,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:43:55" (3/4) ... [2022-11-21 23:44:00,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:44:00,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2022-11-21 23:44:00,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2022-11-21 23:44:00,591 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2022-11-21 23:44:00,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 23:44:00,592 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:44:00,593 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:44:00,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:44:00,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:44:00,673 INFO L158 Benchmark]: Toolchain (without parser) took 6642.59ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 128.2MB in the beginning and 102.4MB in the end (delta: 25.7MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,673 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:44:00,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.98ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 82.3MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.46ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,675 INFO L158 Benchmark]: Boogie Preprocessor took 49.88ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,679 INFO L158 Benchmark]: RCFGBuilder took 733.92ms. Allocated memory is still 167.8MB. Free memory was 77.3MB in the beginning and 49.6MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,680 INFO L158 Benchmark]: CodeCheck took 4570.84ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 129.3MB in the beginning and 106.7MB in the end (delta: 22.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,680 INFO L158 Benchmark]: Witness Printer took 110.80ms. Allocated memory is still 203.4MB. Free memory was 106.7MB in the beginning and 102.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:44:00,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 332 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 366 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 166 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 956 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 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 - PositiveResult [Line: 4995]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5060]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4941]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.98ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 82.3MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.46ms. Allocated memory is still 167.8MB. Free memory was 82.3MB in the beginning and 79.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.88ms. Allocated memory is still 167.8MB. Free memory was 79.3MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.92ms. Allocated memory is still 167.8MB. Free memory was 77.3MB in the beginning and 49.6MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 4570.84ms. Allocated memory was 167.8MB in the beginning and 203.4MB in the end (delta: 35.7MB). Free memory was 129.3MB in the beginning and 106.7MB in the end (delta: 22.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Witness Printer took 110.80ms. Allocated memory is still 203.4MB. Free memory was 106.7MB in the beginning and 102.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:44:00,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e53b18b3-1a06-416c-b870-eb92dbc5f8bf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE