./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ --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 850d02aa9cb18294f9975f6e4e447a197934bcfd77c20fda5c55e9f9e3e0a979 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:13:00,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:13:00,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:13:00,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:13:00,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:13:00,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:13:00,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:13:00,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:13:00,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:13:00,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:13:00,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:13:00,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:13:00,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:13:00,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:13:00,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:13:00,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:13:00,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:13:00,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:13:00,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:13:00,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:13:00,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:13:00,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:13:00,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:13:00,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:13:00,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:13:00,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:13:00,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:13:00,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:13:00,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:13:00,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:13:00,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:13:00,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:13:00,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:13:00,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:13:00,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:13:00,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:13:00,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:13:00,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:13:00,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:13:00,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:13:00,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:13:00,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:13:00,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:13:00,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:13:00,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:13:00,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:13:00,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:13:00,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:13:00,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:13:00,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:13:00,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:13:00,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:13:00,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:13:00,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:13:00,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:13:00,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:13:00,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:13:00,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:13:00,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:13:00,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:13:00,499 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:13:00,499 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:13:00,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:13:00,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:00,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:13:00,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:13:00,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:13:00,501 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:13:00,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:13:00,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:13:00,501 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_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 850d02aa9cb18294f9975f6e4e447a197934bcfd77c20fda5c55e9f9e3e0a979 [2021-11-23 01:13:00,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:13:00,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:13:00,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:13:00,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:13:00,789 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:13:00,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2021-11-23 01:13:00,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/data/de2c430c0/bf0deee360ce44969bd6de10b3199fa0/FLAGb37a1f396 [2021-11-23 01:13:01,512 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:13:01,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2021-11-23 01:13:01,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/data/de2c430c0/bf0deee360ce44969bd6de10b3199fa0/FLAGb37a1f396 [2021-11-23 01:13:01,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/data/de2c430c0/bf0deee360ce44969bd6de10b3199fa0 [2021-11-23 01:13:01,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:13:01,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:13:01,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:01,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:13:01,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:13:01,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:01" (1/1) ... [2021-11-23 01:13:01,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcac4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:01, skipping insertion in model container [2021-11-23 01:13:01,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:13:01" (1/1) ... [2021-11-23 01:13:01,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:13:01,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:13:02,110 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_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2021-11-23 01:13:02,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:02,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:13:02,172 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_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2021-11-23 01:13:02,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:13:02,204 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:13:02,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02 WrapperNode [2021-11-23 01:13:02,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:13:02,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:02,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:13:02,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:13:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,276 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 246 [2021-11-23 01:13:02,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:13:02,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:13:02,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:13:02,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:13:02,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:13:02,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:13:02,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:13:02,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:13:02,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:13:02" (1/1) ... [2021-11-23 01:13:02,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:13:02,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:13:02,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:13:02,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:13:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:13:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:13:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:13:02,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:13:02,512 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:13:02,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:13:02,990 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:13:03,418 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:13:03,418 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:13:03,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:03 BoogieIcfgContainer [2021-11-23 01:13:03,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:13:03,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:13:03,423 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:13:03,434 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:13:03,435 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:03" (1/1) ... [2021-11-23 01:13:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:13:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-23 01:13:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-23 01:13:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:13:03,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:03,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:04,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:04,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 01:13:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 01:13:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:13:04,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:04,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:13:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:13:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:13:06,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:06,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 01:13:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 01:13:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:13:08,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:08,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2021-11-23 01:13:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2021-11-23 01:13:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:13:32,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:32,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2021-11-23 01:13:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2021-11-23 01:13:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:13:40,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:40,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2021-11-23 01:13:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2021-11-23 01:13:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:13:55,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:55,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:13:56,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:13:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:13:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:13:58,677 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:13:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:13:59,502 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 01:13:59,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:13:59 ImpRootNode [2021-11-23 01:13:59,628 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:13:59,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:13:59,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:13:59,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:13:59,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:13:03" (3/4) ... [2021-11-23 01:13:59,632 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:13:59,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:13:59,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:13:59,775 INFO L158 Benchmark]: Toolchain (without parser) took 57925.44ms. Allocated memory was 113.2MB in the beginning and 385.9MB in the end (delta: 272.6MB). Free memory was 87.3MB in the beginning and 199.6MB in the end (delta: -112.3MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,776 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:13:59,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.10ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.48ms. Allocated memory is still 113.2MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,777 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,777 INFO L158 Benchmark]: RCFGBuilder took 1104.07ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 70.7MB in the end (delta: -382.9kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,778 INFO L158 Benchmark]: CodeCheck took 56205.69ms. Allocated memory was 113.2MB in the beginning and 385.9MB in the end (delta: 272.6MB). Free memory was 70.7MB in the beginning and 209.0MB in the end (delta: -138.3MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,778 INFO L158 Benchmark]: Witness Printer took 145.79ms. Allocated memory is still 385.9MB. Free memory was 209.0MB in the beginning and 199.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:13:59,781 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 441 IncrementalHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 6 mSDtfsCounter, 441 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 692 GetRequests, 545 SyntacticMatches, 17 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8187 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 10434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 5/65 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: 311]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] msg_t nomsg = (msg_t )-1; [L29] unsigned char r1 ; [L30] port_t p1 ; [L31] char p1_old ; [L32] char p1_new ; [L33] char id1 ; [L34] char st1 ; [L35] msg_t send1 ; [L36] _Bool mode1 ; [L37] _Bool alive1 ; [L38] port_t p2 ; [L39] char p2_old ; [L40] char p2_new ; [L41] char id2 ; [L42] char st2 ; [L43] msg_t send2 ; [L44] _Bool mode2 ; [L45] _Bool alive2 ; [L46] port_t p3 ; [L47] char p3_old ; [L48] char p3_new ; [L49] char id3 ; [L50] char st3 ; [L51] msg_t send3 ; [L52] _Bool mode3 ; [L53] _Bool alive3 ; [L256] int c1 ; [L257] int i2 ; [L260] c1 = 0 [L261] r1 = __VERIFIER_nondet_uchar() [L262] id1 = __VERIFIER_nondet_char() [L263] st1 = __VERIFIER_nondet_char() [L264] send1 = __VERIFIER_nondet_char() [L265] mode1 = __VERIFIER_nondet_bool() [L266] alive1 = __VERIFIER_nondet_bool() [L267] id2 = __VERIFIER_nondet_char() [L268] st2 = __VERIFIER_nondet_char() [L269] send2 = __VERIFIER_nondet_char() [L270] mode2 = __VERIFIER_nondet_bool() [L271] alive2 = __VERIFIER_nondet_bool() [L272] id3 = __VERIFIER_nondet_char() [L273] st3 = __VERIFIER_nondet_char() [L274] send3 = __VERIFIER_nondet_char() [L275] mode3 = __VERIFIER_nondet_bool() [L276] alive3 = __VERIFIER_nondet_bool() [L277] CALL, EXPR init() [L159] int tmp ; [L162] COND TRUE (int )r1 == 0 [L163] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L164] COND TRUE (int )id1 >= 0 [L165] COND TRUE (int )st1 == 0 [L166] COND TRUE (int )send1 == (int )id1 [L167] COND TRUE (int )mode1 == 0 [L168] COND TRUE (int )id2 >= 0 [L169] COND TRUE (int )st2 == 0 [L170] COND TRUE (int )send2 == (int )id2 [L171] COND TRUE (int )mode2 == 0 [L172] COND TRUE (int )id3 >= 0 [L173] COND TRUE (int )st3 == 0 [L174] COND TRUE (int )send3 == (int )id3 [L175] COND TRUE (int )mode3 == 0 [L176] COND TRUE (int )id1 != (int )id2 [L177] COND TRUE (int )id1 != (int )id3 [L178] COND TRUE (int )id2 != (int )id3 [L179] tmp = 1 [L231] return (tmp); [L277] RET, EXPR init() [L277] i2 = init() [L278] CALL assume_abort_if_not(i2) [L22] COND FALSE !(!cond) [L278] RET assume_abort_if_not(i2) [L279] p1_old = nomsg [L280] p1_new = nomsg [L281] p2_old = nomsg [L282] p2_new = nomsg [L283] p3_old = nomsg [L284] p3_new = nomsg [L285] i2 = 0 VAL [alive1=0, alive2=1, alive3=0, c1=0, i2=0, id1=127, id2=126, id3=125, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=125, st1=0, st2=0, st3=0] [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND FALSE !(\read(alive3)) [L149] COND FALSE !((int )send3 != (int )id3) [L152] mode3 = (_Bool)1 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND TRUE (int )r1 < 3 [L241] tmp = 1 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=1, alive3=0, arg=1, id1=127, id2=126, id3=125, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=125, st1=0, st2=0, st3=0] [L298] RET assert(c1) [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND FALSE !((int )m1 != (int )nomsg) [L79] mode1 = (_Bool)0 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND FALSE !(\read(alive3)) [L141] send3 = m3 [L144] mode3 = (_Bool)0 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND TRUE (int )r1 < 3 [L241] tmp = 1 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=1, alive3=0, arg=1, id1=127, id2=126, id3=125, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=127, send2=126, send3=126, st1=0, st2=0, st3=0] [L298] RET assert(c1) [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND FALSE !(\read(alive3)) [L149] COND TRUE (int )send3 != (int )id3 [L150] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L150] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] mode3 = (_Bool)1 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND TRUE (int )r1 < 3 [L241] tmp = 1 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=1, alive3=0, arg=1, id1=127, id2=126, id3=125, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=126, r1=1, send1=127, send2=126, send3=126, st1=0, st2=0, st3=0] [L298] RET assert(c1) [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND FALSE !(\read(alive1)) [L76] send1 = m1 [L79] mode1 = (_Bool)0 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND FALSE !(\read(alive3)) [L141] send3 = m3 [L144] mode3 = (_Bool)0 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND TRUE (int )r1 < 3 [L241] tmp = 1 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=1, alive3=0, arg=1, id1=127, id2=126, id3=125, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=126, send3=126, st1=0, st2=0, st3=0] [L298] RET assert(c1) [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND FALSE !(\read(mode1)) [L81] COND FALSE !(\read(alive1)) [L84] mode1 = (_Bool)1 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND FALSE !(\read(mode2)) [L112] COND TRUE \read(alive2) [L113] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L113] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L118] mode2 = (_Bool)1 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND FALSE !(\read(mode3)) [L146] COND FALSE !(\read(alive3)) [L149] COND TRUE (int )send3 != (int )id3 [L150] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L150] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L152] mode3 = (_Bool)1 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND TRUE (int )r1 < 3 [L241] tmp = 1 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=0, alive2=1, alive3=0, arg=1, id1=127, id2=126, id3=125, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=126, r1=2, send1=126, send2=126, send3=126, st1=0, st2=0, st3=0] [L298] RET assert(c1) [L286] COND TRUE 1 [L288] CALL node1() [L56] msg_t m1 ; [L59] m1 = nomsg [L60] COND TRUE \read(mode1) [L61] COND FALSE !(r1 == 255) [L64] r1 = r1 + 1 [L65] m1 = p3_old [L66] p3_old = nomsg [L67] COND TRUE (int )m1 != (int )nomsg [L68] COND FALSE !(\read(alive1)) [L76] send1 = m1 [L79] mode1 = (_Bool)0 [L288] RET node1() [L289] CALL node2() [L91] msg_t m2 ; [L94] m2 = nomsg [L95] COND TRUE \read(mode2) [L96] m2 = p1_old [L97] p1_old = nomsg [L98] COND FALSE !((int )m2 != (int )nomsg) [L110] mode2 = (_Bool)0 [L289] RET node2() [L290] CALL node3() [L125] msg_t m3 ; [L128] m3 = nomsg [L129] COND TRUE \read(mode3) [L130] m3 = p2_old [L131] p2_old = nomsg [L132] COND TRUE (int )m3 != (int )nomsg [L133] COND FALSE !(\read(alive3)) [L141] send3 = m3 [L144] mode3 = (_Bool)0 [L290] RET node3() [L291] p1_old = p1_new [L292] p1_new = nomsg [L293] p2_old = p2_new [L294] p2_new = nomsg [L295] p3_old = p3_new [L296] p3_new = nomsg [L297] CALL, EXPR check() [L236] int tmp ; [L239] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L240] COND FALSE !((int )r1 < 3) [L243] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 1) [L246] tmp = 0 [L251] return (tmp); [L297] RET, EXPR check() [L297] c1 = check() [L298] CALL assert(c1) [L309] COND TRUE ! arg VAL [\old(arg)=0, alive1=0, alive2=1, alive3=0, arg=0, id1=127, id2=126, id3=125, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=126, send3=126, st1=0, st2=0, st3=0] [L311] reach_error() VAL [\old(arg)=0, alive1=0, alive2=1, alive3=0, arg=0, id1=127, id2=126, id3=125, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=126, send3=126, st1=0, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.10ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.48ms. Allocated memory is still 113.2MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.07ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 70.7MB in the end (delta: -382.9kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * CodeCheck took 56205.69ms. Allocated memory was 113.2MB in the beginning and 385.9MB in the end (delta: 272.6MB). Free memory was 70.7MB in the beginning and 209.0MB in the end (delta: -138.3MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Witness Printer took 145.79ms. Allocated memory is still 385.9MB. Free memory was 209.0MB in the beginning and 199.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:13:59,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4eb1a3e-f564-4ae3-b475-78cfd7de1eb6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE