./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB --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 32bit --witnessprinter.graph.data.programhash 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 --- 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-dbf71c6-m [2022-10-17 17:02:20,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:20,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:21,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:21,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:21,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:21,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:21,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:21,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:21,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:21,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:21,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:21,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:21,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:21,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:21,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:21,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:21,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:21,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:21,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:21,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:21,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:21,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:21,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:21,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:21,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:21,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:21,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:21,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:21,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:21,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:21,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:21,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:21,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:21,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:21,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:21,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:21,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:21,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:21,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:21,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:21,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:21,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:21,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:21,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:21,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:21,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:21,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:21,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:21,159 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:21,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:21,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:21,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:21,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:21,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:21,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:21,162 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:21,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:21,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:21,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:21,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:21,163 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:21,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:21,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:21,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:21,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:21,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:21,164 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:21,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:21,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:21,166 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 [2022-10-17 17:02:21,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:21,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:21,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:21,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:21,453 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:21,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2022-10-17 17:02:21,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/c4b3c88eb/e2b62dcdce4541a3b80858d398049736/FLAG70c8de95a [2022-10-17 17:02:22,173 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:22,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2022-10-17 17:02:22,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/c4b3c88eb/e2b62dcdce4541a3b80858d398049736/FLAG70c8de95a [2022-10-17 17:02:22,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/c4b3c88eb/e2b62dcdce4541a3b80858d398049736 [2022-10-17 17:02:22,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:22,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:22,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:22,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:22,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:22,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4195b50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22, skipping insertion in model container [2022-10-17 17:02:22,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:22,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:22,704 WARN L230 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2022-10-17 17:02:23,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:23,109 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:23,137 WARN L230 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2022-10-17 17:02:23,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:23,438 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:23,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23 WrapperNode [2022-10-17 17:02:23,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:23,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:23,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:23,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:23,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,670 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3715 [2022-10-17 17:02:23,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:23,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:23,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:23,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:23,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,857 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:23,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:23,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:23,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:23,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:23,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:23,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:23,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:24,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 17:02:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 17:02:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:02:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:24,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 17:02:24,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 17:02:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 17:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 17:02:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 17:02:24,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 17:02:24,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 17:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 17:02:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 17:02:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 17:02:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:02:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:02:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:02:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:02:24,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:02:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 17:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 17:02:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:02:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:02:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 17:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 17:02:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 17:02:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 17:02:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:02:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:02:24,491 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:24,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:47,000 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:47,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:47,184 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:47,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:47 BoogieIcfgContainer [2022-10-17 17:02:47,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:47,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:47,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:47,203 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:47,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:47" (1/1) ... [2022-10-17 17:02:47,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1097 states and 1677 transitions. [2022-10-17 17:02:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1677 transitions. [2022-10-17 17:02:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-10-17 17:02:47,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:47,405 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) 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.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:02:47,410 INFO L158 Benchmark]: Toolchain (without parser) took 25014.24ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 66.5MB in the beginning and 68.3MB in the end (delta: -1.8MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,410 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:47,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.59ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.3MB in the beginning and 76.3MB in the end (delta: -10.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.65ms. Allocated memory is still 119.5MB. Free memory was 76.3MB in the beginning and 54.0MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,413 INFO L158 Benchmark]: Boogie Preprocessor took 244.54ms. Allocated memory is still 119.5MB. Free memory was 54.0MB in the beginning and 65.7MB in the end (delta: -11.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,414 INFO L158 Benchmark]: RCFGBuilder took 23274.41ms. Allocated memory was 119.5MB in the beginning and 190.8MB in the end (delta: 71.3MB). Free memory was 65.7MB in the beginning and 84.0MB in the end (delta: -18.3MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,415 INFO L158 Benchmark]: CodeCheck took 215.67ms. Allocated memory is still 190.8MB. Free memory was 84.0MB in the beginning and 68.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:02:47,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.59ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.3MB in the beginning and 76.3MB in the end (delta: -10.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.65ms. Allocated memory is still 119.5MB. Free memory was 76.3MB in the beginning and 54.0MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 244.54ms. Allocated memory is still 119.5MB. Free memory was 54.0MB in the beginning and 65.7MB in the end (delta: -11.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * RCFGBuilder took 23274.41ms. Allocated memory was 119.5MB in the beginning and 190.8MB in the end (delta: 71.3MB). Free memory was 65.7MB in the beginning and 84.0MB in the end (delta: -18.3MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * CodeCheck took 215.67ms. Allocated memory is still 190.8MB. Free memory was 84.0MB in the beginning and 68.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:02:47,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB --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 32bit --witnessprinter.graph.data.programhash 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 --- 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-dbf71c6-m [2022-10-17 17:02:49,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:49,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:49,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:49,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:49,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:49,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:49,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:49,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:49,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:49,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:49,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:49,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:49,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:49,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:49,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:49,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:49,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:49,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:49,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:50,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:50,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:50,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:50,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:50,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:50,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:50,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:50,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:50,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:50,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:50,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:50,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:50,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:50,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:50,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:50,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:50,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:50,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:50,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:50,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:50,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:50,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:02:50,064 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:50,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:50,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:50,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:50,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:50,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:50,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:50,067 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:50,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:02:50,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:02:50,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:02:50,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:50,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:50,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:50,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:50,070 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:50,070 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:50,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:50,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:50,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:50,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:50,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:50,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:02:50,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:02:50,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:50,072 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:02:50,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:02:50,072 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 [2022-10-17 17:02:50,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:50,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:50,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:50,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:50,486 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:50,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2022-10-17 17:02:50,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/2021dd6c7/7081ca8dbfae40b08c0c7ae5d067bbbb/FLAG3b6155540 [2022-10-17 17:02:51,336 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:51,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2022-10-17 17:02:51,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/2021dd6c7/7081ca8dbfae40b08c0c7ae5d067bbbb/FLAG3b6155540 [2022-10-17 17:02:51,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/data/2021dd6c7/7081ca8dbfae40b08c0c7ae5d067bbbb [2022-10-17 17:02:51,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:51,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:51,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:51,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:51,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:51,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:51" (1/1) ... [2022-10-17 17:02:51,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607b7a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:51, skipping insertion in model container [2022-10-17 17:02:51,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:51" (1/1) ... [2022-10-17 17:02:51,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:51,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:51,759 WARN L230 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2022-10-17 17:02:52,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:52,134 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:52,163 WARN L230 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_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2022-10-17 17:02:52,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:52,513 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:52,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52 WrapperNode [2022-10-17 17:02:52,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:52,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:52,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:52,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:52,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,814 INFO L138 Inliner]: procedures = 60, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3712 [2022-10-17 17:02:52,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:52,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:52,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:52,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:52,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:53,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:53,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:53,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:53,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:53,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:53,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:53,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:53,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:53,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:53,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:53,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376dd133-313f-4a5b-9a1b-6d88ebd8ef5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 17:02:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 17:02:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:02:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:02:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:02:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 17:02:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 17:02:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 17:02:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 17:02:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:02:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 17:02:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 17:02:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 17:02:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 17:02:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 17:02:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 17:02:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:02:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:02:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:02:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:02:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 17:02:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:02:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:02:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:02:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:02:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 17:02:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 17:02:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:02:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:02:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 17:02:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 17:02:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 17:02:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 17:02:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:02:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:02:53,727 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:53,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation