./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 2329fc70 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_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/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_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4 --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 --- [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-2329fc7 [2022-12-15 03:56:04,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:56:04,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:56:04,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:56:04,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:56:04,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:56:04,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:56:04,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:56:04,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:56:04,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:56:04,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:56:04,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:56:04,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:56:04,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:56:04,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:56:04,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:56:04,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:56:04,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:56:04,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:56:04,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:56:04,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:56:04,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:56:04,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:56:04,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:56:04,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:56:04,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:56:04,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:56:04,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:56:04,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:56:04,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:56:04,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:56:04,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:56:04,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:56:04,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:56:04,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:56:04,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:56:04,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:56:04,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:56:04,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:56:04,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:56:04,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:56:04,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:56:04,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:56:04,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:56:04,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:56:04,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:56:04,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:56:04,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:56:04,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:56:04,363 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:56:04,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:56:04,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:56:04,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:56:04,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:56:04,365 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:56:04,365 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:56:04,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:56:04,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:56:04,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:56:04,367 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_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 850d02aa9cb18294f9975f6e4e447a197934bcfd77c20fda5c55e9f9e3e0a979 [2022-12-15 03:56:04,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:56:04,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:56:04,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:56:04,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:56:04,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:56:04,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2022-12-15 03:56:07,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:56:07,335 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:56:07,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2022-12-15 03:56:07,340 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/data/7e4c7b1c6/6d7dc2f87360401ab505154f4ccb5247/FLAGebf6ad91e [2022-12-15 03:56:07,351 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/data/7e4c7b1c6/6d7dc2f87360401ab505154f4ccb5247 [2022-12-15 03:56:07,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:56:07,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:56:07,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:56:07,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:56:07,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:56:07,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48320d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07, skipping insertion in model container [2022-12-15 03:56:07,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:56:07,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:56:07,545 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_43e437ba-058c-47de-8a4e-79ee69ca5284/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2022-12-15 03:56:07,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:56:07,559 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:56:07,595 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_43e437ba-058c-47de-8a4e-79ee69ca5284/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c[6787,6800] [2022-12-15 03:56:07,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:56:07,610 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:56:07,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07 WrapperNode [2022-12-15 03:56:07,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:56:07,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:56:07,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:56:07,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:56:07,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,654 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 226 [2022-12-15 03:56:07,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:56:07,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:56:07,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:56:07,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:56:07,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:56:07,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:56:07,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:56:07,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:56:07,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:07" (1/1) ... [2022-12-15 03:56:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:56:07,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:56:07,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:56:07,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:56:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:56:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:56:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:56:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:56:07,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:56:07,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:56:08,095 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:56:08,316 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:56:08,316 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:56:08,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:08 BoogieIcfgContainer [2022-12-15 03:56:08,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:56:08,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:56:08,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:56:08,326 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:56:08,327 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:08" (1/1) ... [2022-12-15 03:56:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:56:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 03:56:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 03:56:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:56:08,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-12-15 03:56:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-12-15 03:56:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:56:09,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-12-15 03:56:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-12-15 03:56:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:56:11,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2022-12-15 03:56:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2022-12-15 03:56:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:56:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2022-12-15 03:56:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2022-12-15 03:56:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:56:40,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:40,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2022-12-15 03:56:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2022-12-15 03:56:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:56:52,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:56:53,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:56:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:56:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:56:53,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 03:56:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 03:56:54,118 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-12-15 03:56:54,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:56:54 ImpRootNode [2022-12-15 03:56:54,184 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:56:54,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:56:54,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:56:54,185 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:56:54,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:08" (3/4) ... [2022-12-15 03:56:54,187 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 03:56:54,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:56:54,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:56:54,280 INFO L158 Benchmark]: Toolchain (without parser) took 46926.51ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 109.1MB in the beginning and 328.4MB in the end (delta: -219.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,281 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:56:54,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.70ms. Allocated memory is still 148.9MB. Free memory was 108.7MB in the beginning and 95.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,282 INFO L158 Benchmark]: Boogie Preprocessor took 32.67ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,282 INFO L158 Benchmark]: RCFGBuilder took 629.77ms. Allocated memory is still 148.9MB. Free memory was 91.4MB in the beginning and 61.6MB in the end (delta: 29.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,282 INFO L158 Benchmark]: CodeCheck took 45865.62ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 60.8MB in the beginning and 336.8MB in the end (delta: -276.0MB). Peak memory consumption was 175.4MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,283 INFO L158 Benchmark]: Witness Printer took 94.90ms. Allocated memory is still 377.5MB. Free memory was 336.8MB in the beginning and 328.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 03:56:54,284 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: 45.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 159 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 382 IncrementalHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 5 mSDtfsCounter, 382 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 438 SyntacticMatches, 10 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7411 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 4853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50 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=255, alive3=0, c1=0, i2=0, id1=0, id2=126, id3=127, 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=0, send2=126, send3=127, 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] 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=255, alive3=0, arg=1, id1=0, id2=126, id3=127, 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=0, send2=126, send3=127, 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=255, alive3=0, arg=1, id1=0, id2=126, id3=127, 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=0, 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] 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] 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=255, alive3=0, arg=1, id1=0, id2=126, id3=127, 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=0, 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=255, alive3=0, arg=1, id1=0, id2=126, id3=127, 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] 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] 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=255, alive3=0, arg=1, id1=0, id2=126, id3=127, 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=255, alive3=0, arg=0, id1=0, id2=126, id3=127, 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=255, alive3=0, arg=0, id1=0, id2=126, id3=127, 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 0.19ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.70ms. Allocated memory is still 148.9MB. Free memory was 108.7MB in the beginning and 95.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.67ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 91.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.77ms. Allocated memory is still 148.9MB. Free memory was 91.4MB in the beginning and 61.6MB in the end (delta: 29.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * CodeCheck took 45865.62ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 60.8MB in the beginning and 336.8MB in the end (delta: -276.0MB). Peak memory consumption was 175.4MB. Max. memory is 16.1GB. * Witness Printer took 94.90ms. Allocated memory is still 377.5MB. Free memory was 336.8MB in the beginning and 328.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 03:56:54,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43e437ba-058c-47de-8a4e-79ee69ca5284/bin/ukojak-rkRKPMF4O4/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