./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/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_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/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_83085f2a-7388-49e2-8adf-d052530e752c/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 a5deaf1c7eecf4d76182f6b98ab14efecb2cf3c3c2e7d8162af75087f90c331b --- 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 [2022-12-14 23:49:58,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:49:58,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:49:58,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:49:58,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:49:58,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:49:58,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:49:58,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:49:58,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:49:58,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:49:58,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:49:58,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:49:58,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:49:58,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:49:58,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:49:58,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:49:58,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:49:58,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:49:58,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:49:58,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:49:58,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:49:58,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:49:58,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:49:58,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:49:58,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:49:58,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:49:58,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:49:58,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:49:58,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:49:58,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:49:58,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:49:58,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:49:58,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:49:58,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:49:58,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:49:58,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:49:58,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:49:58,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:49:58,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:49:58,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:49:58,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:49:58,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:49:58,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:49:58,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:49:58,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:49:58,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:49:58,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:49:58,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:49:58,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:49:58,461 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:49:58,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:49:58,463 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:49:58,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:49:58,463 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:49:58,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:49:58,463 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:49:58,464 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:49:58,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:49:58,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:49:58,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:49:58,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:49:58,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:49:58,465 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:49:58,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:49:58,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:49:58,465 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_83085f2a-7388-49e2-8adf-d052530e752c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5deaf1c7eecf4d76182f6b98ab14efecb2cf3c3c2e7d8162af75087f90c331b [2022-12-14 23:49:58,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:49:58,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:49:58,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:49:58,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:49:58,683 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:49:58,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c [2022-12-14 23:50:01,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:50:01,442 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:50:01,442 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c [2022-12-14 23:50:01,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/data/19f40e60f/df00b067d4534040992e16fdfe89f27e/FLAGe55c326c2 [2022-12-14 23:50:01,462 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/data/19f40e60f/df00b067d4534040992e16fdfe89f27e [2022-12-14 23:50:01,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:50:01,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:50:01,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:50:01,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:50:01,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:50:01,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791c0c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01, skipping insertion in model container [2022-12-14 23:50:01,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:50:01,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:50:01,629 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_83085f2a-7388-49e2-8adf-d052530e752c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c[6844,6857] [2022-12-14 23:50:01,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:50:01,641 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:50:01,667 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_83085f2a-7388-49e2-8adf-d052530e752c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c[6844,6857] [2022-12-14 23:50:01,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:50:01,678 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:50:01,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01 WrapperNode [2022-12-14 23:50:01,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:50:01,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:50:01,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:50:01,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:50:01,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,709 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 229 [2022-12-14 23:50:01,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:50:01,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:50:01,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:50:01,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:50:01,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:50:01,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:50:01,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:50:01,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:50:01,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:50:01" (1/1) ... [2022-12-14 23:50:01,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:50:01,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:50:01,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:50:01,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:50:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:50:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:50:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:50:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:50:01,844 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:50:01,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:50:02,088 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:50:02,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:50:02,300 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:50:02,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:50:02 BoogieIcfgContainer [2022-12-14 23:50:02,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:50:02,303 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:50:02,303 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:50:02,310 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:50:02,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:50:02" (1/1) ... [2022-12-14 23:50:02,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:50:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 23:50:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 23:50:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:50:02,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:02,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-12-14 23:50:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-12-14 23:50:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:50:03,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:03,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2022-12-14 23:50:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2022-12-14 23:50:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:50:06,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:06,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2022-12-14 23:50:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2022-12-14 23:50:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:50:09,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2022-12-14 23:50:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2022-12-14 23:50:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:50:31,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:31,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 99 transitions. [2022-12-14 23:50:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 99 transitions. [2022-12-14 23:50:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:50:59,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:59,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 40 states and 114 transitions. [2022-12-14 23:51:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 114 transitions. [2022-12-14 23:51:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:51:07,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:07,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:51:07,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:51:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:51:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:51:08,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:51:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:51:09,111 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-12-14 23:51:09,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:51:09 ImpRootNode [2022-12-14 23:51:09,201 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:51:09,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:51:09,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:51:09,201 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:51:09,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:50:02" (3/4) ... [2022-12-14 23:51:09,203 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 23:51:09,312 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:51:09,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:51:09,313 INFO L158 Benchmark]: Toolchain (without parser) took 67846.94ms. Allocated memory was 132.1MB in the beginning and 520.1MB in the end (delta: 388.0MB). Free memory was 96.1MB in the beginning and 435.1MB in the end (delta: -339.0MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,314 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:51:09,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.31ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 82.9MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.83ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,315 INFO L158 Benchmark]: Boogie Preprocessor took 20.28ms. Allocated memory is still 132.1MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,315 INFO L158 Benchmark]: RCFGBuilder took 571.98ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 59.9MB in the end (delta: 18.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,315 INFO L158 Benchmark]: CodeCheck took 66898.19ms. Allocated memory was 132.1MB in the beginning and 520.1MB in the end (delta: 388.0MB). Free memory was 59.9MB in the beginning and 444.6MB in the end (delta: -384.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,316 INFO L158 Benchmark]: Witness Printer took 111.49ms. Allocated memory is still 520.1MB. Free memory was 444.6MB in the beginning and 435.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 23:51:09,317 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: 66.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 688 IncrementalHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 6 mSDtfsCounter, 688 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 806 GetRequests, 643 SyntacticMatches, 21 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10440 ImplicationChecksByTransitivity, 38.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 7463 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 7/65 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: [L25] msg_t nomsg = (msg_t )-1; [L26] char r1 ; [L27] port_t p1 ; [L28] char p1_old ; [L29] char p1_new ; [L30] char id1 ; [L31] char st1 ; [L32] msg_t send1 ; [L33] _Bool mode1 ; [L34] _Bool alive1 ; [L35] port_t p2 ; [L36] char p2_old ; [L37] char p2_new ; [L38] char id2 ; [L39] char st2 ; [L40] msg_t send2 ; [L41] _Bool mode2 ; [L42] _Bool alive2 ; [L43] port_t p3 ; [L44] char p3_old ; [L45] char p3_new ; [L46] char id3 ; [L47] char st3 ; [L48] msg_t send3 ; [L49] _Bool mode3 ; [L50] _Bool alive3 ; [L255] int c1 ; [L256] int i2 ; [L259] c1 = 0 [L260] r1 = __VERIFIER_nondet_char() [L261] id1 = __VERIFIER_nondet_char() [L262] st1 = __VERIFIER_nondet_char() [L263] send1 = __VERIFIER_nondet_char() [L264] mode1 = __VERIFIER_nondet_bool() [L265] alive1 = __VERIFIER_nondet_bool() [L266] id2 = __VERIFIER_nondet_char() [L267] st2 = __VERIFIER_nondet_char() [L268] send2 = __VERIFIER_nondet_char() [L269] mode2 = __VERIFIER_nondet_bool() [L270] alive2 = __VERIFIER_nondet_bool() [L271] id3 = __VERIFIER_nondet_char() [L272] st3 = __VERIFIER_nondet_char() [L273] send3 = __VERIFIER_nondet_char() [L274] mode3 = __VERIFIER_nondet_bool() [L275] alive3 = __VERIFIER_nondet_bool() [L276] CALL, EXPR init() [L158] int tmp ; [L161] COND TRUE (int )r1 == 0 [L162] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L163] COND TRUE (int )id1 >= 0 [L164] COND TRUE (int )st1 == 0 [L165] COND TRUE (int )send1 == (int )id1 [L166] COND TRUE (int )mode1 == 0 [L167] COND TRUE (int )id2 >= 0 [L168] COND TRUE (int )st2 == 0 [L169] COND TRUE (int )send2 == (int )id2 [L170] COND TRUE (int )mode2 == 0 [L171] COND TRUE (int )id3 >= 0 [L172] COND TRUE (int )st3 == 0 [L173] COND TRUE (int )send3 == (int )id3 [L174] COND TRUE (int )mode3 == 0 [L175] COND TRUE (int )id1 != (int )id2 [L176] COND TRUE (int )id1 != (int )id3 [L177] COND TRUE (int )id2 != (int )id3 [L178] tmp = 1 [L230] return (tmp); [L276] RET, EXPR init() [L276] i2 = init() [L277] COND FALSE !(!(i2)) [L278] p1_old = nomsg [L279] p1_new = nomsg [L280] p2_old = nomsg [L281] p2_new = nomsg [L282] p3_old = nomsg [L283] p3_new = nomsg [L284] i2 = 0 VAL [alive1=255, alive2=0, alive3=255, c1=0, i2=0, id1=2, id2=0, id3=1, 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=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND FALSE !((int )send2 != (int )id2) [L117] mode2 = (_Bool)1 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=255, alive2=0, alive3=255, arg=1, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=2, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L297] RET assert(c1) [L298] i2 ++ VAL [alive1=255, alive2=0, alive3=255, c1=1, i2=1, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=2, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND FALSE !((int )m1 == (int )id1) [L69] send1 = m1 [L75] mode1 = (_Bool)0 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND FALSE !((int )m3 != (int )nomsg) [L143] mode3 = (_Bool)0 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=255, alive2=0, alive3=255, arg=1, id1=2, id2=0, id3=1, 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=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L297] RET assert(c1) [L298] i2 ++ VAL [alive1=255, alive2=0, alive3=255, c1=1, i2=2, id1=2, id2=0, id3=1, 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=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND TRUE (int )send2 != (int )id2 [L115] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L117] mode2 = (_Bool)1 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=255, alive2=0, alive3=255, arg=1, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L297] RET assert(c1) [L298] i2 ++ VAL [alive1=255, alive2=0, alive3=255, c1=1, i2=3, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND FALSE !((int )m1 == (int )id1) [L69] send1 = m1 [L75] mode1 = (_Bool)0 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND TRUE (int )m3 != (int )nomsg [L132] COND TRUE \read(alive3) [L133] COND TRUE (int )m3 > (int )id3 [L134] send3 = m3 [L143] mode3 = (_Bool)0 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=255, alive2=0, alive3=255, arg=1, id1=2, id2=0, id3=1, 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=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L297] RET assert(c1) [L298] i2 ++ VAL [alive1=255, alive2=0, alive3=255, c1=1, i2=4, id1=2, id2=0, id3=1, 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=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND TRUE (int )send2 != (int )id2 [L115] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L117] mode2 = (_Bool)1 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND FALSE !(! arg) VAL [\old(arg)=1, alive1=255, alive2=0, alive3=255, arg=1, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, 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=2, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L297] RET assert(c1) [L298] i2 ++ VAL [alive1=255, alive2=0, alive3=255, c1=1, i2=5, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, 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=2, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L287] CALL node1() [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND TRUE (int )m1 == (int )id1 [L67] st1 = (char)1 [L75] mode1 = (_Bool)0 [L287] RET node1() [L288] CALL node2() [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L288] RET node2() [L289] CALL node3() [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND TRUE (int )m3 != (int )nomsg [L132] COND TRUE \read(alive3) [L133] COND FALSE !((int )m3 > (int )id3) [L136] COND TRUE (int )m3 == (int )id3 [L137] st3 = (char)1 [L143] mode3 = (_Bool)0 [L289] RET node3() [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L296] CALL, EXPR check() [L235] int tmp ; [L238] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L248] tmp = 0 [L250] return (tmp); [L296] RET, EXPR check() [L296] c1 = check() [L297] CALL assert(c1) [L309] COND TRUE ! arg VAL [\old(arg)=0, alive1=255, alive2=0, alive3=255, arg=0, id1=2, id2=0, id3=1, 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=1, send2=1, send3=2, st1=1, st2=0, st3=1] [L311] reach_error() VAL [\old(arg)=0, alive1=255, alive2=0, alive3=255, arg=0, id1=2, id2=0, id3=1, 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=1, send2=1, send3=2, st1=1, st2=0, st3=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.31ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 82.9MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.83ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.28ms. Allocated memory is still 132.1MB. Free memory was 80.4MB in the beginning and 78.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.98ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 59.9MB in the end (delta: 18.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * CodeCheck took 66898.19ms. Allocated memory was 132.1MB in the beginning and 520.1MB in the end (delta: 388.0MB). Free memory was 59.9MB in the beginning and 444.6MB in the end (delta: -384.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 111.49ms. Allocated memory is still 520.1MB. Free memory was 444.6MB in the beginning and 435.1MB 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! [2022-12-14 23:51:09,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83085f2a-7388-49e2-8adf-d052530e752c/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