./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_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_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/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_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/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_025cc81c-5e3c-452e-9c11-06b42beb9efb/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 bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a --- 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 17:07:19,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:19,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:19,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:19,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:19,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:19,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:19,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:19,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:19,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:19,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:19,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:19,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:19,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:19,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:19,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:19,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:19,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:19,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:19,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:19,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:19,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:19,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:19,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:19,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:19,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:19,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:19,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:19,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:19,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:19,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:19,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:19,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:19,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:19,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:19,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:19,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:19,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:19,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:19,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:19,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:19,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:19,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:19,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:19,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:19,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:19,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:19,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:19,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:19,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:19,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:19,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:19,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:19,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:19,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:19,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:19,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:19,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:19,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:19,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:19,658 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:19,658 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:19,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:19,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:19,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:19,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:19,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:19,659 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:19,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:19,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:19,660 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a [2022-10-17 17:07:19,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:19,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:19,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:19,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:19,997 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:19,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2022-10-17 17:07:20,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/b4d00c0f3/0b212e0e26064376a9bd210c7b25d1d8/FLAG3e163b5be [2022-10-17 17:07:20,672 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:20,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2022-10-17 17:07:20,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/b4d00c0f3/0b212e0e26064376a9bd210c7b25d1d8/FLAG3e163b5be [2022-10-17 17:07:20,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/b4d00c0f3/0b212e0e26064376a9bd210c7b25d1d8 [2022-10-17 17:07:20,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:20,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:20,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:20,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:20,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:20,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:20" (1/1) ... [2022-10-17 17:07:20,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d5b55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:20, skipping insertion in model container [2022-10-17 17:07:20,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:20" (1/1) ... [2022-10-17 17:07:20,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:21,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:21,233 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2022-10-17 17:07:21,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:21,699 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:21,718 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2022-10-17 17:07:21,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:22,001 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22 WrapperNode [2022-10-17 17:07:22,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:22,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:22,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:22,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:22,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,317 INFO L138 Inliner]: procedures = 55, calls = 2033, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 3946 [2022-10-17 17:07:22,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:22,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:22,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:22,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:22,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:22,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:22,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:22,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:22,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:22" (1/1) ... [2022-10-17 17:07:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:22,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:22,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 17:07:22,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 17:07:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:07:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:07:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:07:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 17:07:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 17:07:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 17:07:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 17:07:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 17:07:22,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 17:07:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:07:22,744 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 17:07:22,745 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 17:07:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 17:07:22,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 17:07:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:07:22,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:07:22,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:07:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:07:22,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:22,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:07:22,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:07:22,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:07:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 17:07:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 17:07:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:07:22,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:07:22,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 17:07:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 17:07:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 17:07:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 17:07:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:07:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:07:23,275 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:23,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:47,708 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:47,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:47,962 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:07:47,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:47 BoogieIcfgContainer [2022-10-17 17:07:47,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:47,971 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:47,971 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:47,982 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:47,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:47" (1/1) ... [2022-10-17 17:07:47,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1559 states and 2372 transitions. [2022-10-17 17:07:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2372 transitions. [2022-10-17 17:07:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1563 [2022-10-17 17:07:48,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,389 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 17:07:48,394 INFO L158 Benchmark]: Toolchain (without parser) took 27495.56ms. Allocated memory was 83.9MB in the beginning and 339.7MB in the end (delta: 255.9MB). Free memory was 44.7MB in the beginning and 232.0MB in the end (delta: -187.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,395 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:48,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.54ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.5MB in the beginning and 75.7MB in the end (delta: -31.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 314.46ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 64.0MB in the end (delta: 11.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,398 INFO L158 Benchmark]: Boogie Preprocessor took 324.11ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 64.0MB in the beginning and 119.4MB in the end (delta: -55.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,399 INFO L158 Benchmark]: RCFGBuilder took 25326.21ms. Allocated memory was 174.1MB in the beginning and 339.7MB in the end (delta: 165.7MB). Free memory was 119.4MB in the beginning and 144.0MB in the end (delta: -24.6MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,399 INFO L158 Benchmark]: CodeCheck took 421.65ms. Allocated memory is still 339.7MB. Free memory was 144.0MB in the beginning and 232.0MB in the end (delta: -88.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:48,403 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.54ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.5MB in the beginning and 75.7MB in the end (delta: -31.2MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 314.46ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 64.0MB in the end (delta: 11.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 324.11ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 64.0MB in the beginning and 119.4MB in the end (delta: -55.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * RCFGBuilder took 25326.21ms. Allocated memory was 174.1MB in the beginning and 339.7MB in the end (delta: 165.7MB). Free memory was 119.4MB in the beginning and 144.0MB in the end (delta: -24.6MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. * CodeCheck took 421.65ms. Allocated memory is still 339.7MB. Free memory was 144.0MB in the beginning and 232.0MB in the end (delta: -88.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:07:48,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/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_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/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_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/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_025cc81c-5e3c-452e-9c11-06b42beb9efb/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 bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a --- 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 17:07:50,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:50,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:50,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:50,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:50,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:50,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:50,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:50,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:50,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:50,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:50,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:50,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:50,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:50,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:50,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:50,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:50,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:50,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:50,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:50,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:50,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:50,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:50,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:51,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:51,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:51,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:51,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:51,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:51,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:51,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:51,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:51,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:51,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:51,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:51,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:51,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:51,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:51,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:51,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:51,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:51,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:07:51,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:51,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:51,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:51,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:51,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:51,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:51,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:51,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:51,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:51,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:51,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:51,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:51,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:51,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:07:51,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:07:51,068 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:07:51,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:51,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:51,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:51,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:51,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:51,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:51,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:51,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:51,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:51,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:51,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:51,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:07:51,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:07:51,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:51,071 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:07:51,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:07:51,072 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bddefdf3e33cf0835aee089299a408d34c996e1a935e7cc87de0cdc6493bca2a [2022-10-17 17:07:51,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:51,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:51,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:51,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:51,516 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:51,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2022-10-17 17:07:51,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/6b2bb35f9/4668db3a978e4cda875caf7e203e8df2/FLAG8857441e6 [2022-10-17 17:07:52,233 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:52,234 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c [2022-10-17 17:07:52,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/6b2bb35f9/4668db3a978e4cda875caf7e203e8df2/FLAG8857441e6 [2022-10-17 17:07:52,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/data/6b2bb35f9/4668db3a978e4cda875caf7e203e8df2 [2022-10-17 17:07:52,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:52,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:52,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:52,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:52,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:52,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:52" (1/1) ... [2022-10-17 17:07:52,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f30d03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:52, skipping insertion in model container [2022-10-17 17:07:52,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:52" (1/1) ... [2022-10-17 17:07:52,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:52,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:52,784 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2022-10-17 17:07:53,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:53,207 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:53,221 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_025cc81c-5e3c-452e-9c11-06b42beb9efb/sv-benchmarks/c/seq-mthreaded/rekh_nxt.1.M1-2.c[1509,1522] [2022-10-17 17:07:53,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:53,562 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:53,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53 WrapperNode [2022-10-17 17:07:53,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:53,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:53,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:53,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:53,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:53,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:53,879 INFO L138 Inliner]: procedures = 58, calls = 2033, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 3943 [2022-10-17 17:07:53,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:53,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:53,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:53,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:53,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:53,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:53,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:53,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:54,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:54,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:54,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:54,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:53" (1/1) ... [2022-10-17 17:07:54,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:54,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:54,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:54,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_025cc81c-5e3c-452e-9c11-06b42beb9efb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 17:07:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 17:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:07:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:07:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 17:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 17:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 17:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 17:07:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 17:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:07:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 17:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 17:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 17:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 17:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 17:07:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 17:07:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:07:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 17:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:07:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 17:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 17:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:07:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:07:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 17:07:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:07:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 17:07:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 17:07:54,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:07:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:07:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 17:07:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 17:07:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 17:07:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 17:07:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:07:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 17:07:54,857 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:54,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation