./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-6b4ec56 [2022-11-20 17:25:55,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:25:55,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:25:55,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:25:55,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:25:55,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:25:55,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:25:55,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:25:55,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:25:55,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:25:55,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:25:55,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:25:55,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:25:55,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:25:55,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:25:55,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:25:55,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:25:55,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:25:55,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:25:55,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:25:55,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:25:55,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:25:55,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:25:55,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:25:55,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:25:55,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:25:55,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:25:55,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:25:55,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:25:55,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:25:55,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:25:55,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:25:55,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:25:55,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:25:55,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:25:55,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:25:55,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:25:55,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:25:55,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:25:55,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:25:55,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:25:55,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:25:55,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:25:55,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:25:55,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:25:55,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:25:55,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:25:55,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:25:55,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:25:55,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:25:55,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:25:55,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:25:55,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:25:55,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:25:55,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:25:55,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:25:55,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:25:55,620 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:25:55,620 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:25:55,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:25:55,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:25:55,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:25:55,621 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:25:55,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:25:55,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:25:55,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:55,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:25:55,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:25:55,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:25:55,623 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:25:55,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:25:55,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:25:55,623 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_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-11-20 17:25:55,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:25:55,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:25:55,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:25:55,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:25:55,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:25:55,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-20 17:25:58,953 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:25:59,176 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:25:59,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-20 17:25:59,183 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/be3b85b0f/bfb8e5e8d8b84856b7bf42a7ce7dd2c3/FLAGd0ee33e0e [2022-11-20 17:25:59,197 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/be3b85b0f/bfb8e5e8d8b84856b7bf42a7ce7dd2c3 [2022-11-20 17:25:59,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:25:59,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:25:59,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:59,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:25:59,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:25:59,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69b138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59, skipping insertion in model container [2022-11-20 17:25:59,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:25:59,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:25:59,441 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_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-20 17:25:59,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:59,473 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:25:59,502 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_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-20 17:25:59,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:59,520 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:25:59,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59 WrapperNode [2022-11-20 17:25:59,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:59,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:59,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:25:59,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:25:59,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,559 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2022-11-20 17:25:59,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:59,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:25:59,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:25:59,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:25:59,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:25:59,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:25:59,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:25:59,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:25:59,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:59" (1/1) ... [2022-11-20 17:25:59,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:59,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:25:59,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:25:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:25:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:25:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:25:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:25:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:25:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:25:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:25:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:25:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:25:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:25:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:25:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:25:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:25:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:25:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:25:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:25:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:25:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:25:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:25:59,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:25:59,734 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:25:59,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:25:59,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:00,279 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:00,466 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:00,466 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:26:00,473 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L54 is neither atomic block end nor a sink node. [2022-11-20 17:26:00,474 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:26:00,479 INFO L158 Benchmark]: Toolchain (without parser) took 1276.85ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 81.4MB in the beginning and 126.4MB in the end (delta: -45.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-20 17:26:00,480 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:00,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.18ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 69.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:26:00,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.58ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:00,483 INFO L158 Benchmark]: Boogie Preprocessor took 48.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 68.3MB in the beginning and 156.1MB in the end (delta: -87.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:00,484 INFO L158 Benchmark]: RCFGBuilder took 867.51ms. Allocated memory is still 184.5MB. Free memory was 156.0MB in the beginning and 126.4MB in the end (delta: 29.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-20 17:26:00,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.18ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 69.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.58ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 68.3MB in the beginning and 156.1MB in the end (delta: -87.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 867.51ms. Allocated memory is still 184.5MB. Free memory was 156.0MB in the beginning and 126.4MB in the end (delta: 29.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:26:00,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --- 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-6b4ec56 [2022-11-20 17:26:03,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:03,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:03,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:03,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:03,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:03,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:03,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:03,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:03,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:03,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:03,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:03,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:03,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:03,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:03,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:03,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:03,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:03,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:03,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:03,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:03,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:03,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:03,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:03,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:03,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:03,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:03,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:03,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:03,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:03,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:03,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:03,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:03,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:03,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:03,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:03,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:03,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:03,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:03,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:03,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:03,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:26:03,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:03,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:03,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:26:03,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:26:03,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:03,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:03,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:03,176 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:26:03,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:03,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:26:03,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:03,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:26:03,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:03,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:26:03,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:26:03,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:26:03,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:26:03,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:26:03,179 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:26:03,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:26:03,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:03,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:26:03,179 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:03,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:03,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:03,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:03,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:03,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:03,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:26:03,181 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:26:03,181 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:26:03,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:26:03,182 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:26:03,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:26:03,182 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 [2022-11-20 17:26:03,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:03,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:03,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:03,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:03,610 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:03,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-20 17:26:06,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:06,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:06,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2022-11-20 17:26:06,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/fd63ff997/88d8132daeb04e6c8192f9d8bd792fe9/FLAG7cd21b194 [2022-11-20 17:26:06,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/data/fd63ff997/88d8132daeb04e6c8192f9d8bd792fe9 [2022-11-20 17:26:06,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:06,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:06,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:06,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:06,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:06,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:06" (1/1) ... [2022-11-20 17:26:06,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d659e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:06, skipping insertion in model container [2022-11-20 17:26:06,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:06" (1/1) ... [2022-11-20 17:26:06,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:07,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:07,222 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_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-20 17:26:07,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:07,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 17:26:07,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:07,306 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_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-20 17:26:07,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:07,330 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:07,371 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_9175eebd-4d75-4344-bf0a-12166416c03f/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-20 17:26:07,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:07,407 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:07,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07 WrapperNode [2022-11-20 17:26:07,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:07,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:07,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:07,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:07,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,471 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-11-20 17:26:07,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:07,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:07,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:07,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:07,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:07,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:07,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:07,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:07,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:07" (1/1) ... [2022-11-20 17:26:07,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:07,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:07,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:26:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:26:07,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:26:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:26:07,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:26:07,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:26:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:26:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:26:07,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:26:07,647 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:26:07,791 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:07,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:08,247 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:08,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:08,567 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:26:08,567 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L54 is neither atomic block end nor a sink node. [2022-11-20 17:26:08,568 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:26:08,573 INFO L158 Benchmark]: Toolchain (without parser) took 1593.23ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 40.2MB in the end (delta: 20.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-20 17:26:08,573 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:08,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.71ms. Allocated memory is still 79.7MB. Free memory was 59.9MB in the beginning and 45.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:08,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.03ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:08,575 INFO L158 Benchmark]: Boogie Preprocessor took 65.03ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:08,576 INFO L158 Benchmark]: RCFGBuilder took 1032.94ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 40.2MB in the end (delta: 2.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-20 17:26:08,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.71ms. Allocated memory is still 79.7MB. Free memory was 59.9MB in the beginning and 45.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.03ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.03ms. Allocated memory is still 79.7MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1032.94ms. Allocated memory is still 79.7MB. Free memory was 42.2MB in the beginning and 40.2MB in the end (delta: 2.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:26:08,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9175eebd-4d75-4344-bf0a-12166416c03f/bin/ukojak-pZX7IvK2PQ/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?