./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/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 eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f --- 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 16:46:45,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:45,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:45,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:45,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:45,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:45,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:45,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:45,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:45,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:45,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:45,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:45,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:45,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:45,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:45,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:45,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:45,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:45,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:45,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:45,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:45,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:45,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:45,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:45,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:45,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:45,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:45,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:45,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:45,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:45,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:45,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:45,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:45,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:45,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:45,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:45,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:45,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:45,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:45,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:45,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:45,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:45,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:45,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:45,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:45,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:45,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:45,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:45,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:45,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:45,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:45,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:45,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:45,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:45,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:45,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:45,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:45,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:45,619 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:45,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:45,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:45,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:45,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:45,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:45,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:45,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:45,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:45,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:45,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:45,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:45,623 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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eda1db03c6bbf67384273953d0d8b5555e2e1b93f41ec60bfebaaef6c754306f [2022-10-17 16:46:45,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:45,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:45,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:45,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:45,990 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:45,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2022-10-17 16:46:46,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/data/1dc7857da/8679b07048ff4fbfa1af5857c91307fc/FLAG4215f64ba [2022-10-17 16:46:46,601 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:46,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c [2022-10-17 16:46:46,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/data/1dc7857da/8679b07048ff4fbfa1af5857c91307fc/FLAG4215f64ba [2022-10-17 16:46:46,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/data/1dc7857da/8679b07048ff4fbfa1af5857c91307fc [2022-10-17 16:46:46,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:46,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:46,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:46,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:46,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:46,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:46" (1/1) ... [2022-10-17 16:46:46,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2937261b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:46, skipping insertion in model container [2022-10-17 16:46:46,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:46" (1/1) ... [2022-10-17 16:46:46,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:46,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:47,186 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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2022-10-17 16:46:47,239 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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2022-10-17 16:46:47,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:47,288 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:47,301 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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[913,926] [2022-10-17 16:46:47,325 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_f0dc8656-3676-407f-ad32-a7474e3e7e0a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.02.cil-1.c[5994,6007] [2022-10-17 16:46:47,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:47,373 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:47,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47 WrapperNode [2022-10-17 16:46:47,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:47,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:47,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:47,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:47,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,440 INFO L138 Inliner]: procedures = 52, calls = 55, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 476 [2022-10-17 16:46:47,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:47,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:47,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:47,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:47,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:47,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:47,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:47,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:47,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:47" (1/1) ... [2022-10-17 16:46:47,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:47,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:47,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:47,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:46:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:46:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-17 16:46:47,589 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-17 16:46:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:46:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:46:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:46:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:46:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:46:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:46:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:46:47,590 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:46:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:46:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:46:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:46:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:46:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:47,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:46:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:46:47,696 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:47,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:48,406 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:48,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:48,629 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:46:48,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:48 BoogieIcfgContainer [2022-10-17 16:46:48,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:48,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:48,633 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:48,643 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:48,644 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:48" (1/1) ... [2022-10-17 16:46:48,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 130 states and 191 transitions. [2022-10-17 16:46:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2022-10-17 16:46:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:46:48,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:48,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:48,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:46:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:48,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:46:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:46:48,976 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:46:49,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:46:49 ImpRootNode [2022-10-17 16:46:49,022 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:46:49,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:46:49,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:46:49,023 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:46:49,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:48" (3/4) ... [2022-10-17 16:46:49,026 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:46:49,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:46:49,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:46:49,093 INFO L158 Benchmark]: Toolchain (without parser) took 2160.92ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 42.1MB in the end (delta: 24.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,093 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:49,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.87ms. Allocated memory is still 107.0MB. Free memory was 65.9MB in the beginning and 75.7MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.75ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,094 INFO L158 Benchmark]: Boogie Preprocessor took 69.98ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,095 INFO L158 Benchmark]: RCFGBuilder took 1119.73ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 65.1MB in the end (delta: 5.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,095 INFO L158 Benchmark]: CodeCheck took 389.56ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 45.9MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,096 INFO L158 Benchmark]: Witness Printer took 69.02ms. Allocated memory is still 107.0MB. Free memory was 45.9MB in the beginning and 42.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:49,098 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, 130 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 t2_pc = 0; [L397] int m_st ; [L398] int t1_st ; [L399] int t2_st ; [L400] int m_i ; [L401] int t1_i ; [L402] int t2_i ; [L403] int M_E = 2; [L404] int T1_E = 2; [L405] int T2_E = 2; [L406] int E_M = 2; [L407] int E_1 = 2; [L408] int E_2 = 2; [L413] int token ; [L415] int local ; [L981] COND TRUE __VERIFIER_nondet_int() [L982] 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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_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_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.87ms. Allocated memory is still 107.0MB. Free memory was 65.9MB in the beginning and 75.7MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.75ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.98ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1119.73ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 65.1MB in the end (delta: 5.2MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * CodeCheck took 389.56ms. Allocated memory is still 107.0MB. Free memory was 65.1MB in the beginning and 45.9MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 69.02ms. Allocated memory is still 107.0MB. Free memory was 45.9MB in the beginning and 42.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:46:49,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dc8656-3676-407f-ad32-a7474e3e7e0a/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