./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:49,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:49,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:18:49,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:18:49,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:18:49,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:49,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:18:49,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:18:49,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:49,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:49,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:49,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:18:49,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:18:49,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:18:49,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:18:49,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:49,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:18:49,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:49,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:18:49,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:18:49,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:49,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:18:49,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:18:49,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:49,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:49,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:49,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:49,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:49,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:49,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:49,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:49,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:18:49,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:18:49,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:18:49,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:18:49,507 INFO L153 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_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-12-03 00:18:49,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:49,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:49,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:49,808 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:49,809 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:49,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-12-03 00:18:53,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:18:53,299 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:18:53,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-12-03 00:18:53,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/1e049bf36/adb61035d9d545b48853727d79e15ae5/FLAG572c664cb [2023-12-03 00:18:53,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/1e049bf36/adb61035d9d545b48853727d79e15ae5 [2023-12-03 00:18:53,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:18:53,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:18:53,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:53,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:18:53,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:18:53,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f50fdf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53, skipping insertion in model container [2023-12-03 00:18:53,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:18:53,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:53,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:18:53,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:53,606 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:53,607 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:53,615 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:18:53,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53 WrapperNode [2023-12-03 00:18:53,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:53,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:53,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:18:53,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:18:53,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,655 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-12-03 00:18:53,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:53,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:18:53,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:18:53,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:18:53,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:18:53,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:18:53,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:18:53,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:18:53,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:53" (1/1) ... [2023-12-03 00:18:53,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:18:53,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:18:53,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:18:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:18:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:18:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:18:53,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:18:53,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:18:53,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:18:53,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:18:53,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:18:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:18:53,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:18:53,760 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:18:53,866 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:18:53,868 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:18:54,095 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:18:54,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:18:54,158 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:18:54,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:54 BoogieIcfgContainer [2023-12-03 00:18:54,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:18:54,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:18:54,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:18:54,175 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:18:54,175 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:54" (1/1) ... [2023-12-03 00:18:54,176 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 00:18:54,181 INFO L158 Benchmark]: Toolchain (without parser) took 854.20ms. Allocated memory is still 161.5MB. Free memory was 110.6MB in the beginning and 79.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:18:54,182 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:54,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.31ms. Allocated memory is still 161.5MB. Free memory was 110.6MB in the beginning and 99.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:18:54,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 161.5MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:54,184 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 161.5MB. Free memory was 97.4MB in the beginning and 96.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:18:54,185 INFO L158 Benchmark]: RCFGBuilder took 478.09ms. Allocated memory is still 161.5MB. Free memory was 95.9MB in the beginning and 79.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:18:54,186 INFO L158 Benchmark]: CodeCheck took 17.61ms. Allocated memory is still 161.5MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 780.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:54,190 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.31ms. Allocated memory is still 161.5MB. Free memory was 110.6MB in the beginning and 99.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.35ms. Allocated memory is still 161.5MB. Free memory was 99.2MB in the beginning and 97.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 161.5MB. Free memory was 97.4MB in the beginning and 96.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.09ms. Allocated memory is still 161.5MB. Free memory was 95.9MB in the beginning and 79.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17.61ms. Allocated memory is still 161.5MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 780.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:18:54,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:56,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:56,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:18:56,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:56,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:18:56,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:18:56,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:56,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:56,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:56,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:18:56,751 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:18:56,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:18:56,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:56,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:18:56,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:56,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:18:56,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:18:56,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:18:56,757 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:18:56,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:18:56,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:56,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:18:56,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:18:56,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:56,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:56,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:56,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:56,766 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:56,766 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:56,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:56,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:56,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:56,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:56,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:18:56,768 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:18:56,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:56,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:18:56,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:18:56,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:56,770 INFO L153 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_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-12-03 00:18:57,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:57,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:57,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:57,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:57,175 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:57,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-12-03 00:19:00,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:19:00,914 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:19:00,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-12-03 00:19:00,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/dc3848276/6dda38297448433e80273903219b378b/FLAGf804ef5d2 [2023-12-03 00:19:00,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/data/dc3848276/6dda38297448433e80273903219b378b [2023-12-03 00:19:00,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:19:00,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:19:00,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:00,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:19:00,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:19:00,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:00" (1/1) ... [2023-12-03 00:19:00,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185a9d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:00, skipping insertion in model container [2023-12-03 00:19:00,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:00" (1/1) ... [2023-12-03 00:19:00,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:19:01,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:01,184 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:19:01,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:01,221 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:01,221 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:19:01,228 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:19:01,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01 WrapperNode [2023-12-03 00:19:01,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:01,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:01,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:19:01,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:19:01,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,267 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-12-03 00:19:01,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:19:01,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:19:01,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:19:01,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:19:01,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:19:01,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:19:01,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:19:01,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:19:01,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:19:01,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:19:01,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:19:01,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:19:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:19:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:19:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:19:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:19:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:19:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:19:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:19:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:19:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:19:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:19:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:19:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:19:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:19:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:19:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:19:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:19:01,401 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:19:01,537 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:19:01,540 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:19:01,764 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:19:01,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:19:01,830 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:19:01,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:01 BoogieIcfgContainer [2023-12-03 00:19:01,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:19:01,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:19:01,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:19:01,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:19:01,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:19:01" (1/1) ... [2023-12-03 00:19:01,847 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 00:19:01,852 INFO L158 Benchmark]: Toolchain (without parser) took 905.83ms. Allocated memory is still 79.7MB. Free memory was 56.9MB in the beginning and 44.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-12-03 00:19:01,853 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:19:01,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.56ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 45.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:19:01,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.88ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 43.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:19:01,856 INFO L158 Benchmark]: Boogie Preprocessor took 38.70ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:01,857 INFO L158 Benchmark]: RCFGBuilder took 523.96ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 45.6MB in the end (delta: -3.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-12-03 00:19:01,857 INFO L158 Benchmark]: CodeCheck took 17.25ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:19:01,861 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.56ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 45.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.88ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 43.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.70ms. Allocated memory is still 79.7MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.96ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 45.6MB in the end (delta: -3.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 17.25ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 44.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:19:01,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21056cc3-de6d-494c-ab65-bbb803a0a0f8/bin/ukojak-verify-Qdu7aM0XO9/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