./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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_8401b20f-b896-438e-9b8f-37b2000d1bab/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- 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 17:26:37,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:37,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:37,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:37,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:37,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:37,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:37,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:37,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:37,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:37,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:37,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:37,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:37,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:37,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:37,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:37,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:37,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:37,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:37,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:37,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:37,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:37,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:37,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:37,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:37,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:37,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:37,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:37,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:37,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:37,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:37,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:37,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:37,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:37,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:37,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:37,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:37,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:37,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:37,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:37,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:37,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:26:37,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:37,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:37,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:26:37,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:26:37,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:37,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:37,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:37,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:26:37,619 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:37,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:26:37,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:37,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:37,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:37,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:37,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:37,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:37,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:26:37,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:37,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:37,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:26:37,622 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_8401b20f-b896-438e-9b8f-37b2000d1bab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2022-11-20 17:26:37,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:37,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:37,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:37,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:37,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:37,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-20 17:26:41,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:41,254 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:41,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-20 17:26:41,262 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/aec9f6d60/443ac088a0ca4c4dbcc54a1e09833fe0/FLAG6b939d1e4 [2022-11-20 17:26:41,302 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/aec9f6d60/443ac088a0ca4c4dbcc54a1e09833fe0 [2022-11-20 17:26:41,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:41,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:41,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:41,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:41,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:41,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4401cf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41, skipping insertion in model container [2022-11-20 17:26:41,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:41,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:41,591 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_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-20 17:26:41,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:41,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:41,643 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_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-20 17:26:41,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:41,664 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:41,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41 WrapperNode [2022-11-20 17:26:41,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:41,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:41,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:41,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:41,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,714 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-11-20 17:26:41,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:41,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:41,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:41,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:41,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,763 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:41,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:41,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:41,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:41,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:41,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:41,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:26:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:26:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:26:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:26:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:26:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:26:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:26:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:26:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:26:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:26:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:26:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:26:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:41,865 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 17:26:41,961 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:41,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:42,120 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:42,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:42,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:26:42,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:42 BoogieIcfgContainer [2022-11-20 17:26:42,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:42,182 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:42,182 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:42,192 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:42,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:42" (1/1) ... [2022-11-20 17:26:42,194 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 17:26:42,198 INFO L158 Benchmark]: Toolchain (without parser) took 889.28ms. Allocated memory is still 184.5MB. Free memory was 156.0MB in the beginning and 130.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-20 17:26:42,198 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:42,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.72ms. Allocated memory is still 184.5MB. Free memory was 155.8MB in the beginning and 148.9MB in the end (delta: 6.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:42,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 184.5MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:42,200 INFO L158 Benchmark]: Boogie Preprocessor took 50.31ms. Allocated memory is still 184.5MB. Free memory was 146.8MB in the beginning and 146.0MB in the end (delta: 772.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:42,201 INFO L158 Benchmark]: RCFGBuilder took 413.89ms. Allocated memory is still 184.5MB. Free memory was 146.0MB in the beginning and 132.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:42,202 INFO L158 Benchmark]: CodeCheck took 14.53ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 130.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:42,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.72ms. Allocated memory is still 184.5MB. Free memory was 155.8MB in the beginning and 148.9MB in the end (delta: 6.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 184.5MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.31ms. Allocated memory is still 184.5MB. Free memory was 146.8MB in the beginning and 146.0MB in the end (delta: 772.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.89ms. Allocated memory is still 184.5MB. Free memory was 146.0MB in the beginning and 132.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.53ms. Allocated memory is still 184.5MB. Free memory was 132.1MB in the beginning and 130.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:26:42,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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_8401b20f-b896-438e-9b8f-37b2000d1bab/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- 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 17:26:44,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:44,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:44,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:44,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:44,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:44,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:44,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:44,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:44,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:44,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:44,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:44,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:44,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:44,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:44,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:44,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:44,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:44,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:44,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:44,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:44,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:44,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:44,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:44,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:44,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:44,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:44,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:44,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:44,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:44,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:44,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:44,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:44,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:44,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:44,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:44,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:44,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:44,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:44,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:44,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:44,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:26:44,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:44,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:44,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:26:44,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:26:44,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:44,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:44,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:44,877 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:26:44,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:44,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:26:44,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:44,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:26:44,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:44,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:26:44,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:26:44,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:26:44,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:26:44,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:26:44,882 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:26:44,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:26:44,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:44,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:26:44,883 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:44,883 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:44,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:44,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:44,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:44,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:44,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:26:44,885 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:26:44,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:26:44,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:26:44,886 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:26:44,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:26:44,887 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_8401b20f-b896-438e-9b8f-37b2000d1bab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2022-11-20 17:26:45,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:45,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:45,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:45,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:45,326 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:45,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-20 17:26:48,361 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:48,557 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:48,558 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-11-20 17:26:48,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/9a0cbace2/d933606ee90c4ae78876c36484dde7dd/FLAGd4cde5201 [2022-11-20 17:26:48,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/data/9a0cbace2/d933606ee90c4ae78876c36484dde7dd [2022-11-20 17:26:48,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:48,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:48,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:48,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:48,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:48,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:48,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5e68ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48, skipping insertion in model container [2022-11-20 17:26:48,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:48,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:48,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:48,855 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_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-20 17:26:48,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:48,870 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:48,917 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_8401b20f-b896-438e-9b8f-37b2000d1bab/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-11-20 17:26:48,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:48,943 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:48,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48 WrapperNode [2022-11-20 17:26:48,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:48,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:48,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:48,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:48,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:48,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:48,992 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-11-20 17:26:48,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:48,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:48,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:48,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:49,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:49,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:49,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:49,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:49,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:48" (1/1) ... [2022-11-20 17:26:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:49,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:49,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:26:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:26:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:26:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:26:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:26:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:26:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:26:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:26:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:26:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:26:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:26:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:26:49,146 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 17:26:49,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:49,278 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:49,525 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:49,602 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:49,602 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:26:49,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:49 BoogieIcfgContainer [2022-11-20 17:26:49,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:49,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:49,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:49,616 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:49,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:49" (1/1) ... [2022-11-20 17:26:49,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 17:26:49,623 INFO L158 Benchmark]: Toolchain (without parser) took 1026.41ms. Allocated memory is still 75.5MB. Free memory was 48.3MB in the beginning and 36.3MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:49,624 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 29.8MB in the beginning and 29.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:49,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.68ms. Allocated memory is still 75.5MB. Free memory was 48.2MB in the beginning and 54.8MB in the end (delta: -6.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-20 17:26:49,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.80ms. Allocated memory is still 75.5MB. Free memory was 54.8MB in the beginning and 53.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:49,628 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 51.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:49,628 INFO L158 Benchmark]: RCFGBuilder took 556.09ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 37.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:49,629 INFO L158 Benchmark]: CodeCheck took 14.89ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 36.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:49,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 29.8MB in the beginning and 29.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.68ms. Allocated memory is still 75.5MB. Free memory was 48.2MB in the beginning and 54.8MB in the end (delta: -6.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.80ms. Allocated memory is still 75.5MB. Free memory was 54.8MB in the beginning and 53.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 51.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.09ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 37.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.89ms. Allocated memory is still 75.5MB. Free memory was 37.3MB in the beginning and 36.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:26:49,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8401b20f-b896-438e-9b8f-37b2000d1bab/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: Concurrent programs are currently unsupported