./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:24,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:24,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:54:24,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:24,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:24,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:24,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:24,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:24,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:24,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:24,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:24,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:24,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:24,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:24,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:24,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:24,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:24,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:24,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:24,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:24,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:24,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:24,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:24,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:24,513 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:24,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:24,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:24,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:24,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:24,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:24,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:24,517 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:24,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:24,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:24,518 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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-11-11 23:54:24,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:24,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:24,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:24,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:24,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:24,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-11 23:54:28,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:28,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:28,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-11 23:54:28,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/18a9cc31f/48ef4df23ff44322bdc6ff0d597823d6/FLAGe0c2a83c2 [2023-11-11 23:54:28,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/18a9cc31f/48ef4df23ff44322bdc6ff0d597823d6 [2023-11-11 23:54:28,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:28,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:28,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:28,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:28,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:28,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570596b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28, skipping insertion in model container [2023-11-11 23:54:28,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:28,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:28,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:28,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:28,636 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:28,636 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:28,645 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:28,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28 WrapperNode [2023-11-11 23:54:28,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:28,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:28,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:28,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:28,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,688 INFO L138 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2023-11-11 23:54:28,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:28,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:28,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:28,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:28,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:28,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:28,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:28,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:28,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:28" (1/1) ... [2023-11-11 23:54:28,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:28,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:28,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:28,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-11 23:54:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-11 23:54:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:54:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:54:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:54:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:54:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:54:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:54:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:54:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:54:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:54:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:54:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:28,850 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:54:28,982 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:28,985 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:29,443 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:29,667 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:29,667 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:54:29,668 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L44 is neither atomic block end nor a sink node. [2023-11-11 23:54:29,669 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) [2023-11-11 23:54:29,673 INFO L158 Benchmark]: Toolchain (without parser) took 1325.27ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 90.4MB in the beginning and 151.9MB in the end (delta: -61.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-11-11 23:54:29,674 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 132.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:29,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.32ms. Allocated memory is still 132.1MB. Free memory was 90.4MB in the beginning and 78.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:54:29,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 76.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:29,676 INFO L158 Benchmark]: Boogie Preprocessor took 38.34ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:29,677 INFO L158 Benchmark]: RCFGBuilder took 942.32ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 75.4MB in the beginning and 151.9MB in the end (delta: -76.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:29,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 132.1MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.32ms. Allocated memory is still 132.1MB. Free memory was 90.4MB in the beginning and 78.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 132.1MB. Free memory was 78.6MB in the beginning and 76.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.34ms. Allocated memory is still 132.1MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 942.32ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 75.4MB in the beginning and 151.9MB in the end (delta: -76.6MB). Peak memory consumption was 33.2MB. 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. [2023-11-11 23:54:29,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:32,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:32,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:54:32,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:32,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:32,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:32,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:32,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:32,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:32,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:32,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:32,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:32,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:32,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:32,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:32,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:32,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:54:32,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:54:32,675 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:32,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:54:32,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:32,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:32,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:32,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:32,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:32,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:32,679 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:54:32,679 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:32,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:32,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:32,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:32,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:32,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:32,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:32,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:54:32,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:32,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:32,683 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:54:32,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:32,685 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_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-11-11 23:54:33,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:33,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:33,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:33,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:33,175 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:33,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-11 23:54:36,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:36,657 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:36,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-11-11 23:54:36,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/3fd16b411/447b9fa16e814401a943bb3100b04cc6/FLAG866a83dab [2023-11-11 23:54:36,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/data/3fd16b411/447b9fa16e814401a943bb3100b04cc6 [2023-11-11 23:54:36,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:36,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:36,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:36,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:36,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:36,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd5aa9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36, skipping insertion in model container [2023-11-11 23:54:36,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:36,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:36,916 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:36,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:36,963 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,963 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,970 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:36,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36 WrapperNode [2023-11-11 23:54:36,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:36,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:36,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:36,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:36,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,033 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-11 23:54:37,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:37,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:37,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:37,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:37,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:37,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:37,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:37,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:37,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:37,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:37,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:37,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:37,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-11 23:54:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-11 23:54:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:54:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:54:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:54:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:54:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:54:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:54:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:54:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:54:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:54:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:54:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:54:37,219 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:54:37,363 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:37,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:37,691 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:37,927 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:37,928 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:54:37,929 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L44 is neither atomic block end nor a sink node. [2023-11-11 23:54:37,930 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) [2023-11-11 23:54:37,937 INFO L158 Benchmark]: Toolchain (without parser) took 1249.74ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.6MB in the beginning and 71.1MB in the end (delta: -19.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:37,937 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:37,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.61ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 39.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:54:37,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.3MB in the beginning and 82.8MB in the end (delta: -43.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:37,940 INFO L158 Benchmark]: Boogie Preprocessor took 42.82ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:37,941 INFO L158 Benchmark]: RCFGBuilder took 856.73ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 71.1MB in the end (delta: 10.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:37,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.61ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 39.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.3MB in the beginning and 82.8MB in the end (delta: -43.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.82ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 81.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 856.73ms. Allocated memory is still 102.8MB. Free memory was 81.0MB in the beginning and 71.1MB in the end (delta: 10.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:54:37,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a2e11-a700-4f1e-86fc-add2e5dd0f7b/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?