./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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 d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:20:03,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:20:03,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:20:03,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:20:03,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:20:03,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:20:03,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:20:03,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:20:03,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:20:03,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:20:03,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:20:03,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:20:03,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:20:03,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:20:03,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:20:03,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:20:03,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:20:03,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:20:03,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:20:03,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:20:03,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:20:03,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:20:03,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:20:03,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:20:03,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:20:03,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:20:03,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:20:03,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:20:03,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:20:03,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:20:03,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:20:03,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:20:03,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:20:03,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:20:03,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:20:03,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:20:03,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:20:03,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:20:03,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:20:03,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:20:03,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:20:03,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:20:03,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:20:03,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:20:03,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:20:03,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:20:03,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:20:03,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:20:03,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:20:03,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:20:03,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:20:03,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:20:03,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:20:03,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:20:03,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:20:03,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:20:03,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:20:03,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:20:03,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:20:03,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:20:03,625 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:20:03,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:20:03,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:20:03,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:03,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:20:03,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:20:03,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:20:03,627 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:20:03,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:20:03,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:20:03,628 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2021-11-22 23:20:03,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:20:04,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:20:04,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:20:04,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:20:04,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:20:04,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-11-22 23:20:04,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/a2221554f/83ce93be62e4499ab3370cc90c9dada6/FLAGc3e743c74 [2021-11-22 23:20:04,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:20:04,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-11-22 23:20:04,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/a2221554f/83ce93be62e4499ab3370cc90c9dada6/FLAGc3e743c74 [2021-11-22 23:20:04,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/a2221554f/83ce93be62e4499ab3370cc90c9dada6 [2021-11-22 23:20:04,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:20:04,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:20:04,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:04,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:20:04,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:20:04,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:04" (1/1) ... [2021-11-22 23:20:05,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7c847e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05, skipping insertion in model container [2021-11-22 23:20:05,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:04" (1/1) ... [2021-11-22 23:20:05,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:20:05,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:20:05,267 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-22 23:20:05,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:05,282 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:20:05,312 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-22 23:20:05,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:05,331 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:20:05,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05 WrapperNode [2021-11-22 23:20:05,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:05,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:05,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:20:05,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:20:05,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,378 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-22 23:20:05,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:05,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:20:05,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:20:05,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:20:05,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:20:05,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:20:05,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:20:05,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:20:05,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:05" (1/1) ... [2021-11-22 23:20:05,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:05,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:20:05,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:20:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:20:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:20:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:20:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:20:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:20:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:20:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 23:20:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 23:20:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-22 23:20:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-22 23:20:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:20:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:20:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:20:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:20:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:20:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:20:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:20:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:20:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:20:05,520 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 23:20:05,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:20:05,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:20:06,012 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:20:06,024 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:20:06,025 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:20:06,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:06 BoogieIcfgContainer [2021-11-22 23:20:06,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:20:06,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:20:06,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:20:06,041 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:20:06,042 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:06" (1/1) ... [2021-11-22 23:20:06,043 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) [2021-11-22 23:20:06,048 INFO L158 Benchmark]: Toolchain (without parser) took 1055.37ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 45.5MB in the end (delta: 7.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-22 23:20:06,049 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:06,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.62ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 63.6MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:20:06,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.10ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:20:06,053 INFO L158 Benchmark]: Boogie Preprocessor took 35.38ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:06,054 INFO L158 Benchmark]: RCFGBuilder took 612.11ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 46.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:20:06,055 INFO L158 Benchmark]: CodeCheck took 16.76ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 45.8MB in the end (delta: 743.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:06,061 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 0.35ms. Allocated memory is still 88.1MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.62ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 63.6MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.10ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.38ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.11ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 46.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.76ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 45.8MB in the end (delta: 743.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:20:06,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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 d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:20:09,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:20:09,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:20:09,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:20:09,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:20:09,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:20:09,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:20:09,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:20:09,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:20:09,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:20:09,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:20:09,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:20:09,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:20:09,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:20:09,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:20:09,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:20:09,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:20:09,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:20:09,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:20:09,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:20:09,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:20:09,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:20:09,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:20:09,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:20:09,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:20:09,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:20:09,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:20:09,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:20:09,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:20:09,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:20:09,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:20:09,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:20:09,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:20:09,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:20:09,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:20:09,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:20:09,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:20:09,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:20:09,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:20:09,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:20:09,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:20:09,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:20:09,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:20:09,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:20:09,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:20:09,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:20:09,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:20:09,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:20:09,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:20:09,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:20:09,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:20:09,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:20:09,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:20:09,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:20:09,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:20:09,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:20:09,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:20:09,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:20:09,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:20:09,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:20:09,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:20:09,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:20:09,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:20:09,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:20:09,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:20:09,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:09,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:20:09,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:20:09,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:20:09,315 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:20:09,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:20:09,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:20:09,316 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:20:09,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:20:09,316 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2021-11-22 23:20:09,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:20:09,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:20:09,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:20:09,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:20:09,784 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:20:09,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-11-22 23:20:09,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/4c44a3982/d2bb462dca3849d98d7199d5fed6bf2e/FLAGd1290af6b [2021-11-22 23:20:10,592 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:20:10,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2021-11-22 23:20:10,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/4c44a3982/d2bb462dca3849d98d7199d5fed6bf2e/FLAGd1290af6b [2021-11-22 23:20:10,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/data/4c44a3982/d2bb462dca3849d98d7199d5fed6bf2e [2021-11-22 23:20:10,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:20:10,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:20:10,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:10,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:20:10,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:20:10,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:10" (1/1) ... [2021-11-22 23:20:10,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7644e1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:10, skipping insertion in model container [2021-11-22 23:20:10,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:20:10" (1/1) ... [2021-11-22 23:20:10,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:20:10,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:20:11,293 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-22 23:20:11,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:11,350 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:20:11,420 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_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2021-11-22 23:20:11,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:20:11,452 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:20:11,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11 WrapperNode [2021-11-22 23:20:11,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:20:11,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:11,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:20:11,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:20:11,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,528 INFO L137 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-22 23:20:11,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:20:11,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:20:11,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:20:11,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:20:11,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:20:11,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:20:11,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:20:11,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:20:11,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:20:11" (1/1) ... [2021-11-22 23:20:11,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:20:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:20:11,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:20:11,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:20:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:20:11,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:20:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:20:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:20:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 23:20:11,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 23:20:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:20:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-22 23:20:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-22 23:20:11,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:20:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:20:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:20:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:20:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:20:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:20:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:20:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:20:11,724 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 23:20:11,880 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:20:11,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:20:12,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:20:12,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:20:12,177 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:20:12,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:12 BoogieIcfgContainer [2021-11-22 23:20:12,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:20:12,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:20:12,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:20:12,193 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:20:12,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:20:12" (1/1) ... [2021-11-22 23:20:12,194 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) [2021-11-22 23:20:12,199 INFO L158 Benchmark]: Toolchain (without parser) took 1287.93ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 23.1MB in the end (delta: 15.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-22 23:20:12,199 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:12,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.95ms. Allocated memory is still 58.7MB. Free memory was 38.7MB in the beginning and 40.8MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:20:12,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.87ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:20:12,202 INFO L158 Benchmark]: Boogie Preprocessor took 75.05ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:12,203 INFO L158 Benchmark]: RCFGBuilder took 573.79ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 24.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:20:12,204 INFO L158 Benchmark]: CodeCheck took 15.50ms. Allocated memory is still 58.7MB. Free memory was 24.2MB in the beginning and 23.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:20:12,209 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 0.32ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.95ms. Allocated memory is still 58.7MB. Free memory was 38.7MB in the beginning and 40.8MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.87ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.05ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.79ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 24.2MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.50ms. Allocated memory is still 58.7MB. Free memory was 24.2MB in the beginning and 23.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:20:12,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ecf37fa-f27b-4c7b-8af0-b924023f09eb/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: Concurrent programs are currently unsupported