./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV --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 ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:05,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:06,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:07:06,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:06,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:07:06,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:06,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:06,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:06,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:06,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:06,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:06,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:06,196 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:07:06,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:06,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:07:06,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:06,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:06,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:06,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:06,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:07:06,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:07:06,202 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:07:06,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:06,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:06,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:06,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:06,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:06,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:06,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:06,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:06,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:06,207 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:07:06,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:06,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:06,208 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_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e [2023-11-12 00:07:06,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:06,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:06,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:06,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:06,593 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:06,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-12 00:07:09,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:09,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:09,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-12 00:07:09,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/758f8ae4d/962af36cc5f945d5825b426b6577486d/FLAG6144eee77 [2023-11-12 00:07:09,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/758f8ae4d/962af36cc5f945d5825b426b6577486d [2023-11-12 00:07:09,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:09,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:09,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:09,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:09,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:09,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:09" (1/1) ... [2023-11-12 00:07:09,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bec598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:09, skipping insertion in model container [2023-11-12 00:07:09,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:09" (1/1) ... [2023-11-12 00:07:10,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:10,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:10,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:10,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:10,323 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:10,323 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:10,331 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:10,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10 WrapperNode [2023-11-12 00:07:10,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:10,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:10,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:10,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:10,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,385 INFO L138 Inliner]: procedures = 26, calls = 116, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 167 [2023-11-12 00:07:10,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:10,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:10,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:10,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:10,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:10,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:10,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:10,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:10,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:10" (1/1) ... [2023-11-12 00:07:10,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:10,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:10,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:07:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:07:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:07:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:07:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:07:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:07:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:07:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:07:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:07:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:07:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:07:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:07:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:07:10,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:07:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:07:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:07:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:07:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:07:10,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-12 00:07:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-12 00:07:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:07:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:07:10,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:10,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:07:10,595 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:07:10,729 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:10,731 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:11,154 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:11,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:11,357 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:07:11,358 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-12 00:07:11,358 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-12 00:07:11,363 INFO L158 Benchmark]: Toolchain (without parser) took 1397.22ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 81.0MB in the end (delta: 36.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:11,364 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:11,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.06ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 105.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:07:11,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:11,366 INFO L158 Benchmark]: Boogie Preprocessor took 37.72ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:11,367 INFO L158 Benchmark]: RCFGBuilder took 937.39ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 81.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:07:11,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.06ms. Allocated memory is still 153.1MB. Free memory was 117.8MB in the beginning and 105.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.72ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 937.39ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 81.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:07:11,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV --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 ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:14,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:14,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:07:14,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:14,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:14,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:14,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:14,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:14,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:14,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:14,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:07:14,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:07:14,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:14,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:14,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:14,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:14,393 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:07:14,394 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:07:14,394 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:07:14,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:07:14,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:07:14,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:07:14,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:14,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:14,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:14,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:14,399 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:07:14,399 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:14,400 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:14,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:14,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:14,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:14,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:14,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:14,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:07:14,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:07:14,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:14,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:07:14,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:14,406 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_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca1f4e84b0c3293f862fce4d37df3243047d657a38c3742a736e55e02eaefd2e [2023-11-12 00:07:14,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:14,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:14,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:14,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:14,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:14,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-12 00:07:18,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:18,330 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:18,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/sv-benchmarks/c/weaver/parallel-ticket-7.wvr.c [2023-11-12 00:07:18,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/a2e7903d7/82dfb0390d1640988d5af75688b85c27/FLAGa7eef9e88 [2023-11-12 00:07:18,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/data/a2e7903d7/82dfb0390d1640988d5af75688b85c27 [2023-11-12 00:07:18,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:18,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:18,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:18,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:18,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:18,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b55e729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18, skipping insertion in model container [2023-11-12 00:07:18,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:18,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:18,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:18,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:18,765 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:18,771 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:07:18,780 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:18,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18 WrapperNode [2023-11-12 00:07:18,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:18,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:18,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:18,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:18,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,857 INFO L138 Inliner]: procedures = 28, calls = 116, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2023-11-12 00:07:18,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:18,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:18,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:18,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:18,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:18,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:18,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:18,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:18,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:18" (1/1) ... [2023-11-12 00:07:18,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:18,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:19,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:07:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:07:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:07:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:07:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:07:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:07:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:07:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:07:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:07:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:07:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:07:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:07:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:07:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:07:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:07:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:07:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:07:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-12 00:07:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-12 00:07:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:07:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:07:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:07:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:07:19,049 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:07:19,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:19,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:19,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:19,996 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:19,996 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:07:19,997 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-12 00:07:19,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-12 00:07:20,002 INFO L158 Benchmark]: Toolchain (without parser) took 1639.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 41.0MB in the beginning and 52.9MB in the end (delta: -11.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-12 00:07:20,003 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:07:20,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.20ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 43.1MB in the end (delta: -2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:07:20,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.24ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:20,005 INFO L158 Benchmark]: Boogie Preprocessor took 75.46ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 38.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:07:20,005 INFO L158 Benchmark]: RCFGBuilder took 1065.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.7MB in the beginning and 52.9MB in the end (delta: -14.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-12 00:07:20,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.20ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 43.1MB in the end (delta: -2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.24ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.46ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 38.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1065.60ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.7MB in the beginning and 52.9MB in the end (delta: -14.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:07:20,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45f0e50-6584-4b3f-b581-629d0441ad64/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?