./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.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_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/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_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/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_463ab25b-7121-4d96-9261-87c4604582db/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 f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e --- 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 16:48:29,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:29,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:29,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:29,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:29,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:29,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:29,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:29,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:29,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:29,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:29,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:29,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:29,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:29,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:29,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:29,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:29,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:29,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:29,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:29,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:29,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:29,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:29,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:29,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:29,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:29,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:29,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:29,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:29,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:29,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:29,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:29,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:29,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:29,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:29,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:29,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:29,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:29,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:29,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:29,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:29,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:29,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:29,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:29,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:29,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:29,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:29,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:29,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:29,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:29,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:29,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:29,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:29,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:29,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:29,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:29,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:29,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:29,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:29,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:29,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:29,249 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:29,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:29,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:29,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:29,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:29,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:29,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:29,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:29,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:29,259 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_463ab25b-7121-4d96-9261-87c4604582db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e [2022-10-17 16:48:29,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:29,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:29,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:29,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:29,551 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:29,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-10-17 16:48:29,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/c9ae6333b/360de0dd5b814cc8ac4d1a742d221098/FLAG7bc1aee5f [2022-10-17 16:48:30,253 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:30,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-10-17 16:48:30,275 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/c9ae6333b/360de0dd5b814cc8ac4d1a742d221098/FLAG7bc1aee5f [2022-10-17 16:48:30,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/c9ae6333b/360de0dd5b814cc8ac4d1a742d221098 [2022-10-17 16:48:30,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:30,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:30,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:30,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:30,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:30,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:30" (1/1) ... [2022-10-17 16:48:30,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba81aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:30, skipping insertion in model container [2022-10-17 16:48:30,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:30" (1/1) ... [2022-10-17 16:48:30,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:30,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:30,833 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_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2022-10-17 16:48:31,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,244 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:31,268 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_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2022-10-17 16:48:31,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,465 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:31,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31 WrapperNode [2022-10-17 16:48:31,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:31,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:31,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:31,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,742 INFO L138 Inliner]: procedures = 57, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3715 [2022-10-17 16:48:31,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:31,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:31,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:31,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:31,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:31,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:31,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:31,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:31" (1/1) ... [2022-10-17 16:48:31,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:31,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:32,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:32,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:48:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:48:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:48:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:48:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:48:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:48:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:48:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:48:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:48:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:48:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:48:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:48:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:48:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:48:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:48:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:48:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:48:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:48:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:48:32,110 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:48:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:48:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:48:32,616 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:32,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:56,063 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:56,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:56,260 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:56,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:56 BoogieIcfgContainer [2022-10-17 16:48:56,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:56,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:56,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:56,280 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:56,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:56" (1/1) ... [2022-10-17 16:48:56,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1097 states and 1677 transitions. [2022-10-17 16:48:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1677 transitions. [2022-10-17 16:48:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-10-17 16:48:56,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,538 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 16:48:56,543 INFO L158 Benchmark]: Toolchain (without parser) took 26035.34ms. Allocated memory was 83.9MB in the beginning and 232.8MB in the end (delta: 148.9MB). Free memory was 42.4MB in the beginning and 157.0MB in the end (delta: -114.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,543 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:56,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 955.35ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 42.2MB in the beginning and 59.5MB in the end (delta: -17.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.93ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 59.9MB in the end (delta: -370.9kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,546 INFO L158 Benchmark]: Boogie Preprocessor took 216.23ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 40.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,567 INFO L158 Benchmark]: RCFGBuilder took 24306.74ms. Allocated memory was 100.7MB in the beginning and 232.8MB in the end (delta: 132.1MB). Free memory was 40.5MB in the beginning and 172.7MB in the end (delta: -132.2MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,568 INFO L158 Benchmark]: CodeCheck took 272.65ms. Allocated memory is still 232.8MB. Free memory was 172.7MB in the beginning and 157.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:48:56,571 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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 955.35ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 42.2MB in the beginning and 59.5MB in the end (delta: -17.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 274.93ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 59.9MB in the end (delta: -370.9kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.23ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 40.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 24306.74ms. Allocated memory was 100.7MB in the beginning and 232.8MB in the end (delta: 132.1MB). Free memory was 40.5MB in the beginning and 172.7MB in the end (delta: -132.2MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * CodeCheck took 272.65ms. Allocated memory is still 232.8MB. Free memory was 172.7MB in the beginning and 157.0MB 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 16:48:56,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/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_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/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_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/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_463ab25b-7121-4d96-9261-87c4604582db/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 f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e --- 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 16:48:59,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:59,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:59,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:59,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:59,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:59,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:59,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:59,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:59,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:59,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:59,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:59,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:59,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:59,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:59,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:59,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:59,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:59,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:59,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:59,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:59,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:59,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:59,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:59,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:59,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:59,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:59,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:59,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:59,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:59,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:59,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:59,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:59,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:59,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:59,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:59,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:59,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:59,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:59,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:59,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:59,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:48:59,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:59,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:59,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:59,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:59,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:59,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:59,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:59,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:59,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:59,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:59,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:59,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:59,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:59,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:48:59,279 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:48:59,280 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:48:59,280 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:59,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:59,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:59,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:59,281 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:59,281 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:59,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:59,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:59,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:59,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:59,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:59,283 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:48:59,283 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:48:59,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:59,283 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:48:59,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:48:59,284 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_463ab25b-7121-4d96-9261-87c4604582db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f077881e7f4fa96e31e8798f1b4a7ec1ee00f86778c2b79845cdeaf2537e700e [2022-10-17 16:48:59,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:59,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:59,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:59,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:59,761 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:59,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-10-17 16:48:59,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/70c0d6686/9167d23ab4e740b0b262f9e3cd195f86/FLAG74e07a33b [2022-10-17 16:49:00,648 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:00,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-10-17 16:49:00,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/70c0d6686/9167d23ab4e740b0b262f9e3cd195f86/FLAG74e07a33b [2022-10-17 16:49:00,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/data/70c0d6686/9167d23ab4e740b0b262f9e3cd195f86 [2022-10-17 16:49:00,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:00,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:00,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:00,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:00,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:00,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:00" (1/1) ... [2022-10-17 16:49:00,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f944503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:00, skipping insertion in model container [2022-10-17 16:49:00,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:00" (1/1) ... [2022-10-17 16:49:00,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:00,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:01,078 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_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2022-10-17 16:49:01,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:01,581 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:01,609 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_463ab25b-7121-4d96-9261-87c4604582db/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-1.c[1674,1687] [2022-10-17 16:49:01,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:01,905 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:01,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01 WrapperNode [2022-10-17 16:49:01,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:01,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:01,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:01,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:01,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:01,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,183 INFO L138 Inliner]: procedures = 60, calls = 1672, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3712 [2022-10-17 16:49:02,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:02,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:02,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:02,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:02,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:02,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:02,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:02,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:02,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:01" (1/1) ... [2022-10-17 16:49:02,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:02,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:02,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463ab25b-7121-4d96-9261-87c4604582db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-17 16:49:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-17 16:49:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 16:49:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:49:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-17 16:49:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-17 16:49:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-17 16:49:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-17 16:49:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-17 16:49:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:49:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-17 16:49:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-17 16:49:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-17 16:49:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-17 16:49:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-17 16:49:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-17 16:49:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:49:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-17 16:49:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:49:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-17 16:49:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 16:49:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:49:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:49:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-10-17 16:49:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:49:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-17 16:49:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-17 16:49:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-17 16:49:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-17 16:49:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-17 16:49:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-17 16:49:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:49:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-17 16:49:03,068 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:03,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation