./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 --- 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-6b4ec56 [2022-11-20 17:48:16,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:48:16,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:48:16,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:48:16,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:48:16,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:48:16,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:48:16,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:48:16,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:48:16,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:48:16,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:48:16,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:48:16,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:48:16,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:48:16,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:48:16,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:48:16,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:48:16,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:48:16,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:48:16,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:48:16,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:48:16,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:48:16,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:48:16,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:48:16,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:48:16,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:48:16,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:48:16,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:48:16,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:48:16,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:48:16,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:48:16,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:48:16,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:48:16,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:48:16,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:48:16,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:48:16,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:48:16,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:48:16,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:48:16,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:48:16,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:48:16,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:48:16,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:48:16,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:48:16,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:48:16,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:48:16,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:48:16,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:48:16,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:48:16,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:48:16,355 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:48:16,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:48:16,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:48:16,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:48:16,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:48:16,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:48:16,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:48:16,357 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:48:16,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:48:16,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:48:16,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:48:16,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:48:16,358 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:48:16,359 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:48:16,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:48:16,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:16,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:48:16,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:48:16,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:48:16,360 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:48:16,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:48:16,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:48:16,361 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_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0a21004c99a1cc1588d43a2481960a2ce9f2cdf68e9a363306433e7d24bd30 [2022-11-20 17:48:16,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:48:16,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:48:16,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:48:16,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:48:16,708 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:48:16,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2022-11-20 17:48:19,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:48:19,930 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:48:19,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/sv-benchmarks/c/systemc/token_ring.01.cil-1.c [2022-11-20 17:48:19,939 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/data/4ef7feded/12ca098637e044368a05a16e2369cb99/FLAG8cb8dc392 [2022-11-20 17:48:19,954 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/data/4ef7feded/12ca098637e044368a05a16e2369cb99 [2022-11-20 17:48:19,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:48:19,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:48:19,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:19,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:48:19,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:48:19,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:19" (1/1) ... [2022-11-20 17:48:19,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421dc114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:19, skipping insertion in model container [2022-11-20 17:48:19,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:48:19" (1/1) ... [2022-11-20 17:48:19,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:48:19,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:48:20,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/sv-benchmarks/c/systemc/token_ring.01.cil-1.c[671,684] [2022-11-20 17:48:20,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:20,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:48:20,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/sv-benchmarks/c/systemc/token_ring.01.cil-1.c[671,684] [2022-11-20 17:48:20,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:48:20,244 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:48:20,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20 WrapperNode [2022-11-20 17:48:20,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:48:20,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:20,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:48:20,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:48:20,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,288 INFO L138 Inliner]: procedures = 30, calls = 34, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 219 [2022-11-20 17:48:20,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:48:20,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:48:20,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:48:20,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:48:20,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:48:20,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:48:20,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:48:20,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:48:20,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:48:20" (1/1) ... [2022-11-20 17:48:20,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:48:20,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:48:20,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:48:20,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:48:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:48:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-11-20 17:48:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-11-20 17:48:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-11-20 17:48:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-11-20 17:48:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-11-20 17:48:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-11-20 17:48:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-11-20 17:48:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-11-20 17:48:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-11-20 17:48:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-11-20 17:48:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:48:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-11-20 17:48:20,431 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-11-20 17:48:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:48:20,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:48:20,547 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:48:20,549 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:48:20,971 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:48:21,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:48:21,186 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:48:21,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:21 BoogieIcfgContainer [2022-11-20 17:48:21,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:48:21,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:48:21,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:48:21,201 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:48:21,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:21" (1/1) ... [2022-11-20 17:48:21,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:48:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2022-11-20 17:48:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2022-11-20 17:48:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:48:21,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:21,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 107 transitions. [2022-11-20 17:48:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2022-11-20 17:48:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:48:21,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 107 transitions. [2022-11-20 17:48:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2022-11-20 17:48:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:48:22,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 122 transitions. [2022-11-20 17:48:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2022-11-20 17:48:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:48:22,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:22,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 99 states and 150 transitions. [2022-11-20 17:48:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2022-11-20 17:48:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:48:23,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:23,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:23,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 101 states and 155 transitions. [2022-11-20 17:48:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2022-11-20 17:48:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:48:24,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:24,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 99 states and 150 transitions. [2022-11-20 17:48:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2022-11-20 17:48:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:48:24,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 109 states and 173 transitions. [2022-11-20 17:48:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2022-11-20 17:48:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:48:24,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:24,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 106 states and 165 transitions. [2022-11-20 17:48:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2022-11-20 17:48:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:48:24,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:48:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 106 states and 164 transitions. [2022-11-20 17:48:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2022-11-20 17:48:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:48:24,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:48:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 196 transitions. [2022-11-20 17:48:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2022-11-20 17:48:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:48:26,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 123 states and 202 transitions. [2022-11-20 17:48:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2022-11-20 17:48:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:48:26,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 121 states and 198 transitions. [2022-11-20 17:48:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2022-11-20 17:48:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:48:27,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:27,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 123 states and 201 transitions. [2022-11-20 17:48:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2022-11-20 17:48:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:48:27,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:27,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 120 states and 192 transitions. [2022-11-20 17:48:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2022-11-20 17:48:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:48:27,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:27,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:48:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 122 states and 195 transitions. [2022-11-20 17:48:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions. [2022-11-20 17:48:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 17:48:27,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 198 transitions. [2022-11-20 17:48:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 198 transitions. [2022-11-20 17:48:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:48:27,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:48:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 201 transitions. [2022-11-20 17:48:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2022-11-20 17:48:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:48:28,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:28,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:48:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 133 states and 219 transitions. [2022-11-20 17:48:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2022-11-20 17:48:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 17:48:28,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:28,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:48:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 143 states and 238 transitions. [2022-11-20 17:48:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 238 transitions. [2022-11-20 17:48:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 17:48:29,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:48:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 144 states and 238 transitions. [2022-11-20 17:48:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2022-11-20 17:48:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 17:48:29,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:29,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:48:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 149 states and 246 transitions. [2022-11-20 17:48:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2022-11-20 17:48:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:48:29,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 17:48:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 149 states and 245 transitions. [2022-11-20 17:48:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2022-11-20 17:48:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 17:48:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-20 17:48:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 246 transitions. [2022-11-20 17:48:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 246 transitions. [2022-11-20 17:48:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:48:29,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:29,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 17:48:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 151 states and 247 transitions. [2022-11-20 17:48:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2022-11-20 17:48:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:48:30,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:48:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 276 transitions. [2022-11-20 17:48:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2022-11-20 17:48:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:48:31,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:48:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:48:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:48:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 276 transitions. [2022-11-20 17:48:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2022-11-20 17:48:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:48:31,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:48:31,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:48:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:31,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:48:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:31,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:48:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:48:31,538 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2022-11-20 17:48:31,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:48:31 ImpRootNode [2022-11-20 17:48:31,633 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:48:31,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:48:31,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:48:31,634 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:48:31,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:48:21" (3/4) ... [2022-11-20 17:48:31,636 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:48:31,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:48:31,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:48:31,747 INFO L158 Benchmark]: Toolchain (without parser) took 11788.59ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 127.7MB in the beginning and 149.8MB in the end (delta: -22.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,748 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:48:31,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.37ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 114.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 112.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,749 INFO L158 Benchmark]: Boogie Preprocessor took 33.11ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,750 INFO L158 Benchmark]: RCFGBuilder took 862.40ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 139.7MB in the end (delta: -28.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,750 INFO L158 Benchmark]: CodeCheck took 10443.00ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 139.7MB in the beginning and 156.1MB in the end (delta: -16.4MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,751 INFO L158 Benchmark]: Witness Printer took 113.19ms. Allocated memory is still 249.6MB. Free memory was 156.1MB in the beginning and 149.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:48:31,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 72 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7758 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3370 mSDsluCounter, 9608 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5341 mSDsCounter, 2215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7028 IncrementalHoareTripleChecker+Invalid, 9243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2215 mSolverCounterUnsat, 4267 mSDtfsCounter, 7028 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11639 GetRequests, 11046 SyntacticMatches, 427 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18200 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1181 NumberOfCodeBlocks, 1181 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1093 ConstructedInterpolants, 0 QuantifiedInterpolants, 2041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 205/214 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 107]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int m_pc = 0; [L25] int t1_pc = 0; [L26] int m_st ; [L27] int t1_st ; [L28] int m_i ; [L29] int t1_i ; [L30] int M_E = 2; [L31] int T1_E = 2; [L32] int E_M = 2; [L33] int E_1 = 2; [L37] int token ; [L39] int local ; [L473] int __retres1 ; [L477] CALL init_model() [L388] m_i = 1 [L389] t1_i = 1 [L477] RET init_model() [L478] CALL start_simulation() [L414] int kernel_st ; [L415] int tmp ; [L416] int tmp___0 ; [L420] kernel_st = 0 VAL [E_1=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L421] FCALL update_channels() VAL [E_1=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L422] CALL init_threads() [L170] COND TRUE m_i == 1 [L171] m_st = 0 [L175] COND TRUE t1_i == 1 [L176] t1_st = 0 [L422] RET init_threads() [L423] CALL fire_delta_events() VAL [\old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L259] COND FALSE !(M_E == 0) [L264] COND FALSE !(T1_E == 0) [L269] COND FALSE !(E_M == 0) [L274] COND FALSE !(E_1 == 0) [L423] RET fire_delta_events() VAL [E_1=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L424] CALL activate_threads() VAL [\old(m_st)=0, \old(t1_st)=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR is_master_triggered() [L121] int __retres1 ; VAL [\old(m_st)=0, \old(t1_st)=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L124] COND FALSE !(m_pc == 1) VAL [\old(m_st)=0, \old(t1_st)=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L134] __retres1 = 0 VAL [\old(m_st)=0, \old(t1_st)=0, __retres1=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L136] return (__retres1); [L317] RET, EXPR is_master_triggered() [L317] tmp = is_master_triggered() [L319] COND FALSE !(\read(tmp)) [L325] CALL, EXPR is_transmit1_triggered() [L140] int __retres1 ; VAL [\old(m_st)=0, \old(t1_st)=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L143] COND FALSE !(t1_pc == 1) VAL [\old(m_st)=0, \old(t1_st)=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L153] __retres1 = 0 VAL [\old(m_st)=0, \old(t1_st)=0, __retres1=0, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L155] return (__retres1); [L325] RET, EXPR is_transmit1_triggered() [L325] tmp___0 = is_transmit1_triggered() [L327] COND FALSE !(\read(tmp___0)) [L424] RET activate_threads() VAL [E_1=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L425] CALL reset_delta_events() VAL [\old(E_1)=2, \old(E_M)=2, \old(M_E)=2, \old(T1_E)=2, E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L287] COND FALSE !(M_E == 1) [L292] COND FALSE !(T1_E == 1) [L297] COND FALSE !(E_M == 1) [L302] COND FALSE !(E_1 == 1) [L425] RET reset_delta_events() VAL [E_1=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L428] COND TRUE 1 [L431] kernel_st = 1 [L432] CALL eval() [L206] int tmp ; VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L210] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L213] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L185] int __retres1 ; [L188] COND TRUE m_st == 0 [L189] __retres1 = 1 [L201] return (__retres1); [L213] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, exists_runnable_thread()=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, token=0] [L213] tmp = exists_runnable_thread() [L215] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1, token=0] [L220] COND TRUE m_st == 0 [L221] int tmp_ndt_1; [L222] tmp_ndt_1 = __VERIFIER_nondet_int() [L223] COND FALSE !(\read(tmp_ndt_1)) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0, token=0] [L234] COND TRUE t1_st == 0 [L235] int tmp_ndt_2; [L236] tmp_ndt_2 = __VERIFIER_nondet_int() [L237] COND TRUE \read(tmp_ndt_2) [L239] t1_st = 1 [L240] CALL transmit1() [L88] COND TRUE t1_pc == 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, token=0] [L99] COND TRUE 1 [L101] t1_pc = 1 [L102] t1_st = 2 [L240] RET transmit1() [L210] COND TRUE 1 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, token=0] [L213] CALL, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L185] int __retres1 ; [L188] COND TRUE m_st == 0 [L189] __retres1 = 1 [L201] return (__retres1); [L213] RET, EXPR exists_runnable_thread() VAL [E_1=2, E_M=2, exists_runnable_thread()=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, token=0] [L213] tmp = exists_runnable_thread() [L215] COND TRUE \read(tmp) VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, token=0] [L220] COND TRUE m_st == 0 [L221] int tmp_ndt_1; [L222] tmp_ndt_1 = __VERIFIER_nondet_int() [L223] COND TRUE \read(tmp_ndt_1) [L225] m_st = 1 [L226] CALL master() [L44] COND TRUE m_pc == 0 VAL [E_1=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=0] [L55] COND TRUE 1 [L58] token = __VERIFIER_nondet_int() [L59] local = token [L60] E_1 = 1 VAL [E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L61] CALL immediate_notify() VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L341] CALL activate_threads() VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L312] int tmp ; [L313] int tmp___0 ; [L317] CALL, EXPR is_master_triggered() [L121] int __retres1 ; VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L124] COND FALSE !(m_pc == 1) VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L134] __retres1 = 0 VAL [\old(m_st)=1, \old(t1_st)=2, __retres1=0, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L136] return (__retres1); [L317] RET, EXPR is_master_triggered() [L317] tmp = is_master_triggered() [L319] COND FALSE !(\read(tmp)) [L325] CALL, EXPR is_transmit1_triggered() [L140] int __retres1 ; VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L143] COND TRUE t1_pc == 1 VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L144] COND TRUE E_1 == 1 [L145] __retres1 = 1 VAL [\old(m_st)=1, \old(t1_st)=2, __retres1=1, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, token=2147483647] [L155] return (__retres1); [L325] RET, EXPR is_transmit1_triggered() [L325] tmp___0 = is_transmit1_triggered() [L327] COND TRUE \read(tmp___0) [L328] t1_st = 0 [L341] RET activate_threads() VAL [\old(m_st)=1, \old(t1_st)=2, E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, token=2147483647] [L61] RET immediate_notify() VAL [E_1=1, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, token=2147483647] [L62] E_1 = 2 [L63] m_pc = 1 [L64] m_st = 2 VAL [E_1=2, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, token=2147483647] [L226] RET master() [L234] COND TRUE t1_st == 0 [L235] int tmp_ndt_2; [L236] tmp_ndt_2 = __VERIFIER_nondet_int() [L237] COND TRUE \read(tmp_ndt_2) [L239] t1_st = 1 [L240] CALL transmit1() [L88] COND FALSE !(t1_pc == 0) VAL [E_1=2, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L91] COND TRUE t1_pc == 1 VAL [E_1=2, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] [L107] token += 1 VAL [E_1=2, E_M=2, local=2147483647, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, token=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.37ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 114.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 172.0MB. Free memory was 114.9MB in the beginning and 112.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.11ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 111.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 862.40ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 139.7MB in the end (delta: -28.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 10443.00ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 139.7MB in the beginning and 156.1MB in the end (delta: -16.4MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 113.19ms. Allocated memory is still 249.6MB. Free memory was 156.1MB in the beginning and 149.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:48:31,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20b0da70-3fbe-4eb3-8bde-ca98434b234c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)