./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:22,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:22,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:22,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:22,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:22,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:22,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:22,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:22,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:22,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:22,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:22,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:22,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:22,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:22,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:22,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:22,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:22,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:22,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:22,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:22,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:22,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:22,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:22,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:22,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:22,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:22,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:22,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:22,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:22,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:22,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:22,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:22,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:22,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:22,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:22,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:22,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:22,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:22,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:22,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:22,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:22,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:22,749 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:22,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:22,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:22,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:22,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:22,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:22,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:22,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:22,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:22,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:22,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:22,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:22,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:22,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:22,754 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:22,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:22,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:22,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:22,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:22,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:22,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:22,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:22,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:22,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:22,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:22,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:22,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:22,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:22,757 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_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 [2021-11-22 23:18:23,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:23,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:23,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:23,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:23,079 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:23,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-22 23:18:23,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/f423b5fb2/5f16faa9a94d41cc9c408c2155b604c4/FLAG0b0b0330c [2021-11-22 23:18:23,718 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:23,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-22 23:18:23,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/f423b5fb2/5f16faa9a94d41cc9c408c2155b604c4/FLAG0b0b0330c [2021-11-22 23:18:24,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/f423b5fb2/5f16faa9a94d41cc9c408c2155b604c4 [2021-11-22 23:18:24,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:24,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:24,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:24,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:24,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:24,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7193725b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24, skipping insertion in model container [2021-11-22 23:18:24,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:24,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:24,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-22 23:18:24,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:24,368 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:24,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-22 23:18:24,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:24,407 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:24,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24 WrapperNode [2021-11-22 23:18:24,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:24,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:24,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:24,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:24,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,475 INFO L137 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2021-11-22 23:18:24,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:24,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:24,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:24,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:24,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:24,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:24,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:24,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:24,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:24" (1/1) ... [2021-11-22 23:18:24,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:24,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:24,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:24,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:18:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:18:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:18:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:18:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 23:18:24,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 23:18:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-22 23:18:24,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-22 23:18:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:18:24,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:18:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:18:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:18:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:18:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:18:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:18:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:24,595 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:18:24,682 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:24,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:24,987 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:25,072 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:25,073 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:18:25,074 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-22 23:18:25,075 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:304) 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) [2021-11-22 23:18:25,079 INFO L158 Benchmark]: Toolchain (without parser) took 980.98ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 51.7MB in the end (delta: 14.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-22 23:18:25,080 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:25,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.76ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 72.0MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:18:25,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.33ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:25,082 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 69.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:25,083 INFO L158 Benchmark]: RCFGBuilder took 574.63ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 51.7MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:18:25,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.76ms. Allocated memory is still 98.6MB. Free memory was 66.3MB in the beginning and 72.0MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.33ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 69.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.63ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 51.7MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:18:25,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:27,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:27,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:27,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:27,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:27,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:27,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:27,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:27,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:27,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:27,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:27,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:27,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:27,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:27,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:27,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:27,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:27,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:27,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:27,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:27,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:27,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:27,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:27,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:27,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:27,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:27,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:27,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:27,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:27,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:27,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:27,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:27,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:27,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:27,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:27,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:27,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:27,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:27,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:27,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:27,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:27,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:18:27,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:27,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:27,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:27,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:27,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:27,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:27,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:27,776 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:27,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:27,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:27,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:27,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:27,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:27,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:27,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:27,779 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:27,779 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:27,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:27,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:27,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:27,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:27,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:27,780 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:18:27,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:18:27,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:27,781 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:18:27,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:18:27,781 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_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 [2021-11-22 23:18:28,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:28,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:28,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:28,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:28,197 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:28,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-22 23:18:28,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/784c4c0ba/b78ce681310241998a13b52e83c0901e/FLAG892368f94 [2021-11-22 23:18:28,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:28,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-22 23:18:28,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/784c4c0ba/b78ce681310241998a13b52e83c0901e/FLAG892368f94 [2021-11-22 23:18:29,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/data/784c4c0ba/b78ce681310241998a13b52e83c0901e [2021-11-22 23:18:29,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:29,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:29,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:29,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:29,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:29,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361adce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29, skipping insertion in model container [2021-11-22 23:18:29,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:29,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:29,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-22 23:18:29,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:29,412 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:29,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-22 23:18:29,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:29,505 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:29,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29 WrapperNode [2021-11-22 23:18:29,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:29,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:29,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:29,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:29,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,545 INFO L137 Inliner]: procedures = 24, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2021-11-22 23:18:29,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:29,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:29,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:29,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:29,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:29,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:29,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:29,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:29,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:29" (1/1) ... [2021-11-22 23:18:29,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:29,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:29,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:18:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:18:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:18:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:18:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 23:18:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 23:18:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:18:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-22 23:18:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-22 23:18:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:18:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:18:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:18:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:18:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:18:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:18:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:18:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:18:29,665 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:18:29,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:29,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:30,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:30,169 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:30,175 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:18:30,176 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-22 23:18:30,177 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:304) 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) [2021-11-22 23:18:30,184 INFO L158 Benchmark]: Toolchain (without parser) took 997.25ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.8MB in the beginning and 55.3MB in the end (delta: -18.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-22 23:18:30,186 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:30,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.89ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 40.9MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:18:30,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:30,189 INFO L158 Benchmark]: Boogie Preprocessor took 30.93ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 37.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:18:30,190 INFO L158 Benchmark]: RCFGBuilder took 602.89ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 37.7MB in the beginning and 55.3MB in the end (delta: -17.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-22 23:18:30,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.89ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 40.9MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 39.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.93ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 37.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.89ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 37.7MB in the beginning and 55.3MB in the end (delta: -17.6MB). Peak memory consumption was 16.5MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:18:30,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_563e7776-de70-4a5c-89b0-b26749f64a61/bin/ukojak-LBtLqBUTdQ/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?