./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.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_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/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_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/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_eb917d32-5f07-4e30-8d52-a43b002ba131/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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:53,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:53,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:42:53,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:53,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:53,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:53,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:53,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:53,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:53,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:53,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:53,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:53,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:53,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:53,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:53,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:53,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:53,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:53,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:53,939 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:42:53,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:53,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:53,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:53,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:53,942 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:53,943 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:53,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:53,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:53,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:53,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:53,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:53,947 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:53,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:53,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:53,948 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_eb917d32-5f07-4e30-8d52-a43b002ba131/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2023-11-11 23:42:54,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:54,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:54,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:54,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:54,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:54,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-11 23:42:57,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:58,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:58,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-11 23:42:58,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/138617377/98ade8b779144fb883ac0c0d2f69e000/FLAGffb9fd85d [2023-11-11 23:42:58,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/138617377/98ade8b779144fb883ac0c0d2f69e000 [2023-11-11 23:42:58,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:58,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:58,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:58,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:58,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:58,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b246ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58, skipping insertion in model container [2023-11-11 23:42:58,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:58,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:58,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:58,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:58,618 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:58,619 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:42:58,631 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:58,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58 WrapperNode [2023-11-11 23:42:58,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:58,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:58,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:58,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:58,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,682 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-11 23:42:58,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:58,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:58,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:58,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:58,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:58,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:58,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:58,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:58,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:58" (1/1) ... [2023-11-11 23:42:58,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:58,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:58,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:58,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:42:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:42:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:42:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:42:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:42:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:42:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:58,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:42:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:42:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:42:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:58,837 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 23:42:58,984 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:58,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:59,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:59,639 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:59,640 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:42:59,641 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2023-11-11 23:42:59,642 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 23:42:59,648 INFO L158 Benchmark]: Toolchain (without parser) took 1388.57ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 84.5MB in the beginning and 140.5MB in the end (delta: -56.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-11 23:42:59,648 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:59,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.36ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 72.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:42:59,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 130.0MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:59,651 INFO L158 Benchmark]: Boogie Preprocessor took 44.95ms. Allocated memory is still 130.0MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:59,653 INFO L158 Benchmark]: RCFGBuilder took 916.02ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 69.1MB in the beginning and 140.5MB in the end (delta: -71.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-11 23:42:59,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 130.0MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.36ms. Allocated memory is still 130.0MB. Free memory was 84.2MB in the beginning and 72.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 130.0MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.95ms. Allocated memory is still 130.0MB. Free memory was 70.7MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.02ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 69.1MB in the beginning and 140.5MB in the end (delta: -71.5MB). Peak memory consumption was 20.3MB. 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 23:42:59,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/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_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/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_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/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_eb917d32-5f07-4e30-8d52-a43b002ba131/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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:02,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:03,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:43:03,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:03,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:03,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:03,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:03,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:03,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:03,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:03,220 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:43:03,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:43:03,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:03,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:03,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:03,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:03,226 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:43:03,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:43:03,227 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:03,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:43:03,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:03,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:43:03,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:03,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:03,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:03,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:03,233 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:43:03,234 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:03,234 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:03,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:03,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:03,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:03,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:03,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:03,239 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:43:03,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:03,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:03,240 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:43:03,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:03,242 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_eb917d32-5f07-4e30-8d52-a43b002ba131/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2023-11-11 23:43:03,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:03,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:03,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:03,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:03,841 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:03,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-11 23:43:07,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:07,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:07,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-11 23:43:07,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/ff198f642/689f25b26cc044809703f588a6d44061/FLAG479365f8c [2023-11-11 23:43:07,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/data/ff198f642/689f25b26cc044809703f588a6d44061 [2023-11-11 23:43:07,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:07,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:07,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:07,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:07,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:07,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:07" (1/1) ... [2023-11-11 23:43:07,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e67475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:07, skipping insertion in model container [2023-11-11 23:43:07,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:07" (1/1) ... [2023-11-11 23:43:07,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:08,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:08,158 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:43:08,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:08,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:08,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:08,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:08,282 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:08,282 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:08,291 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:08,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08 WrapperNode [2023-11-11 23:43:08,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:08,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:08,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:08,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:08,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,380 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-11 23:43:08,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:08,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:08,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:08,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:08,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:08,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:08,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:08,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:08,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:08" (1/1) ... [2023-11-11 23:43:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:08,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:08,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:43:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:43:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:43:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:43:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:43:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:43:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:43:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:43:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:43:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:43:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:43:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:43:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:43:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:43:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:43:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:43:08,616 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 23:43:08,805 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:08,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:09,401 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:09,737 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:09,737 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:43:09,738 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2023-11-11 23:43:09,739 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 23:43:09,752 INFO L158 Benchmark]: Toolchain (without parser) took 1935.58ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 51.5kB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:09,753 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:09,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.22ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 39.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:09,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.18ms. Allocated memory is still 77.6MB. Free memory was 39.1MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:09,756 INFO L158 Benchmark]: Boogie Preprocessor took 126.37ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:09,757 INFO L158 Benchmark]: RCFGBuilder took 1240.94ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 53.3MB in the end (delta: 1.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-11 23:43:09,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.22ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 39.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.18ms. Allocated memory is still 77.6MB. Free memory was 39.1MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.37ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1240.94ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 53.3MB in the end (delta: 1.8MB). Peak memory consumption was 25.3MB. 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 23:43:09,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb917d32-5f07-4e30-8d52-a43b002ba131/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?