./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:37:03,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:03,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:03,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:03,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:03,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:03,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:03,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:03,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:03,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:03,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:03,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:03,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:03,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:03,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:03,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:03,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:03,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:03,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:03,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:03,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:03,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:03,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:03,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:03,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:03,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:03,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:03,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:03,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:03,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:03,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:03,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:03,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:03,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:03,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:03,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:03,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:03,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:03,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:03,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:03,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:03,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:03,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:03,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:03,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:03,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:03,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:03,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:03,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:03,960 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:03,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:03,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:03,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:03,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:03,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:03,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:03,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:03,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:03,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:03,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:03,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:03,980 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:03,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:03,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:03,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:03,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:03,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:03,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:03,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:03,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:03,984 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_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962bf6173fc6078ce41ca1af220429c7629e07f8a02d3d6059bd9727e276c6a2 [2022-10-17 16:37:04,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:04,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:04,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:04,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:04,294 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:04,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2022-10-17 16:37:04,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/data/2851a1641/3aa4d5088cdd44f7b5a124850b6f51cd/FLAG53119d06c [2022-10-17 16:37:04,838 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:04,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c [2022-10-17 16:37:04,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/data/2851a1641/3aa4d5088cdd44f7b5a124850b6f51cd/FLAG53119d06c [2022-10-17 16:37:05,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/data/2851a1641/3aa4d5088cdd44f7b5a124850b6f51cd [2022-10-17 16:37:05,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:05,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:05,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:05,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:05,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:05,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c83e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05, skipping insertion in model container [2022-10-17 16:37:05,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:05,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:05,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2022-10-17 16:37:05,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2022-10-17 16:37:05,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:05,704 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:05,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[913,926] [2022-10-17 16:37:05,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.01.cil-1.c[5994,6007] [2022-10-17 16:37:05,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:05,791 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:05,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05 WrapperNode [2022-10-17 16:37:05,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:05,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:05,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:05,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:05,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,862 INFO L138 Inliner]: procedures = 50, calls = 52, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 418 [2022-10-17 16:37:05,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:05,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:05,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:05,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:05,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:05,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:05,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:05,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:05,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:05" (1/1) ... [2022-10-17 16:37:05,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:05,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:05,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:05,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:37:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:37:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-17 16:37:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-17 16:37:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:37:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:37:06,016 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:37:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:37:06,021 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:37:06,021 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:37:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:37:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:37:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:37:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:37:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:37:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:37:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:06,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:37:06,024 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:37:06,140 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:06,142 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:06,738 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:06,940 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:06,940 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:37:06,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:06 BoogieIcfgContainer [2022-10-17 16:37:06,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:06,944 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:06,944 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:06,955 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:06,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:06" (1/1) ... [2022-10-17 16:37:06,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:07,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 119 states and 173 transitions. [2022-10-17 16:37:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions. [2022-10-17 16:37:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:37:07,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:07,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:37:07,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:37:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:37:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:37:07,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:37:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:37:07,313 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:37:07,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:37:07 ImpRootNode [2022-10-17 16:37:07,418 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:37:07,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:37:07,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:37:07,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:37:07,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:06" (3/4) ... [2022-10-17 16:37:07,427 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:37:07,530 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:37:07,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:37:07,531 INFO L158 Benchmark]: Toolchain (without parser) took 2326.70ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 63.3MB in the beginning and 77.6MB in the end (delta: -14.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,531 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 88.1MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:07,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.29ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 63.2MB in the beginning and 76.7MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.23ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 73.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,533 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,534 INFO L158 Benchmark]: RCFGBuilder took 1034.64ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 60.8MB in the end (delta: 10.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,534 INFO L158 Benchmark]: CodeCheck took 473.95ms. Allocated memory is still 111.1MB. Free memory was 60.8MB in the beginning and 80.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:07,535 INFO L158 Benchmark]: Witness Printer took 108.79ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,538 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 10 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int m_st ; [L397] int t1_st ; [L398] int m_i ; [L399] int t1_i ; [L400] int M_E = 2; [L401] int T1_E = 2; [L402] int E_M = 2; [L403] int E_1 = 2; [L407] int token ; [L409] int local ; [L856] COND TRUE __VERIFIER_nondet_int() [L857] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L331] COND TRUE 1 [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L255] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, exists_runnable_thread1()=1, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, tmp___1=1, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, tmp=0, tmp___1=1, token=0] [L275] CALL error1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] [L27] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 88.1MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.29ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 63.2MB in the beginning and 76.7MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.23ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 73.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.64ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 60.8MB in the end (delta: 10.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * CodeCheck took 473.95ms. Allocated memory is still 111.1MB. Free memory was 60.8MB in the beginning and 80.3MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.79ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 77.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:37:07,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8561c04-47b9-4394-a509-dc15d2b5d025/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE