./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:52,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:52,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:12:52,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:52,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:52,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:52,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:52,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:52,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:52,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:52,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:52,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:52,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:52,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:52,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:52,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:52,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:52,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:52,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:52,737 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:52,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:52,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:52,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:52,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:52,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:52,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:52,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:52,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:52,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:52,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:52,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:52,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:52,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:52,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:52,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:52,746 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_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-11-24 23:12:53,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:53,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:53,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:53,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:53,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:53,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-24 23:12:56,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:56,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:56,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-24 23:12:56,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/565af825f/d6766d2f435949fcb07cd74a92a444fb/FLAG8d90c77b3 [2023-11-24 23:12:56,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/565af825f/d6766d2f435949fcb07cd74a92a444fb [2023-11-24 23:12:56,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:56,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:56,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:56,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:56,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:56,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4cb286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56, skipping insertion in model container [2023-11-24 23:12:56,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:56,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:56,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:56,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:56,735 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:56,735 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:56,744 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:56,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56 WrapperNode [2023-11-24 23:12:56,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:56,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:56,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:56,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:56,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,791 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-24 23:12:56,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:56,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:56,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:56,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:56,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:56,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:56,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:56,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:56,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:56,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:56,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:12:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:12:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:12:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:12:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:12:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:12:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:12:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:12:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:12:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:12:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:12:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:12:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:56,951 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:12:57,075 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:57,077 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:57,474 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:57,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 23:12:57,600 INFO L158 Benchmark]: Toolchain (without parser) took 1161.94ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 78.1MB in the end (delta: 38.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:57,600 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:57,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:12:57,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.25ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:57,603 INFO L158 Benchmark]: Boogie Preprocessor took 38.95ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:57,603 INFO L158 Benchmark]: RCFGBuilder took 764.74ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 78.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:57,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.80ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.25ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 102.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.95ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 101.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.74ms. Allocated memory is still 161.5MB. Free memory was 101.2MB in the beginning and 78.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:12:57,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/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_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi --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 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:00,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:00,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:13:00,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:00,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:00,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:00,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:00,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:00,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:00,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:00,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:00,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:00,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:00,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:00,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:00,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:00,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:13:00,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:13:00,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:13:00,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:13:00,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:13:00,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:00,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:00,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:00,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:00,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:00,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:00,964 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:00,965 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:00,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:00,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:00,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:00,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:00,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:00,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:13:00,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:13:00,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:00,969 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:13:00,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:00,971 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_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e3acb82ec05e672eff9207911c10948d6c695f982992ce82b68981a799bba7 [2023-11-24 23:13:01,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:01,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:01,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:01,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:01,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:01,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-24 23:13:05,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:05,513 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:05,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2023-11-24 23:13:05,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/7e4419075/74c6c110169e43ac98791f1627308768/FLAG5addca853 [2023-11-24 23:13:05,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/data/7e4419075/74c6c110169e43ac98791f1627308768 [2023-11-24 23:13:05,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:05,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:05,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:05,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:05,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:05,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e86f1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05, skipping insertion in model container [2023-11-24 23:13:05,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:05,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:05,990 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:06,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:06,070 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:06,070 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:06,080 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:06,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06 WrapperNode [2023-11-24 23:13:06,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:06,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:06,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:06,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:06,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,173 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-24 23:13:06,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:06,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:06,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:06,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:06,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:06,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:06,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:06,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:06,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:06,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:06,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:06,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:13:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:13:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:13:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:13:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:13:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:13:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:13:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:13:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:13:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:13:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:13:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:13:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:13:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:13:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:06,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:06,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:13:06,370 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:13:06,549 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:06,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:07,040 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:07,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 23:13:07,243 INFO L158 Benchmark]: Toolchain (without parser) took 1674.24ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 45.8MB in the end (delta: 20.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-24 23:13:07,244 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:07,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.09ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 54.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:13:07,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:07,247 INFO L158 Benchmark]: Boogie Preprocessor took 65.11ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:07,249 INFO L158 Benchmark]: RCFGBuilder took 999.71ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 45.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:07,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.09ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 54.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.56ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.11ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 999.71ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 45.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:13:07,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1198fd48-82e2-4feb-bb97-aef1324ffc9e/bin/ukojak-verify-afCqCEvfdi/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: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?