./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3 --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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:07:59,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:07:59,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:07:59,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:07:59,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:07:59,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:07:59,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:07:59,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:07:59,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:07:59,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:07:59,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:07:59,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:07:59,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:07:59,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:07:59,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:07:59,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:07:59,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:07:59,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:07:59,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:07:59,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:07:59,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:07:59,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:07:59,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:07:59,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:07:59,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:59,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:07:59,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:07:59,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:07:59,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:07:59,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:07:59,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3 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 -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2024-11-25 03:07:59,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:07:59,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:07:59,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:07:59,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:07:59,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:07:59,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-25 03:08:03,194 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/99d4c5fef/fee8ae5269804fe8bd685c7ce97c86a2/FLAGa0bcc3dbb [2024-11-25 03:08:03,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:03,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-25 03:08:03,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/99d4c5fef/fee8ae5269804fe8bd685c7ce97c86a2/FLAGa0bcc3dbb [2024-11-25 03:08:03,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/99d4c5fef/fee8ae5269804fe8bd685c7ce97c86a2 [2024-11-25 03:08:03,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:03,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:03,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:03,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:03,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:03,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bee056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03, skipping insertion in model container [2024-11-25 03:08:03,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:03,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:03,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:03,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:03,816 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:03,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03 WrapperNode [2024-11-25 03:08:03,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:03,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:03,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:03,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:03,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,869 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-25 03:08:03,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:03,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:03,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:03,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:03,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:03,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:03,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:03,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:03,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:03" (1/1) ... [2024-11-25 03:08:03,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:03,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:03,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:03,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:08:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:08:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:08:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:08:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 03:08:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 03:08:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:08:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:08:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 03:08:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:08:04,009 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:08:04,149 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:04,153 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:04,639 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:08:04,640 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:04,817 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:08:04,863 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:08:04,869 INFO L158 Benchmark]: Toolchain (without parser) took 1346.13ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 42.4MB in the end (delta: 51.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 03:08:04,869 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:04,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.00ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:08:04,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.37ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:04,871 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:08:04,871 INFO L158 Benchmark]: RCFGBuilder took 945.68ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 42.4MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:08:04,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.00ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.37ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 945.68ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 42.4MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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 end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:08:04,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3 --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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:08:07,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:08:07,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 03:08:07,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:08:07,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:08:07,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:08:07,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:08:07,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:08:07,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:08:07,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:08:07,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:08:07,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:08:07,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:08:07,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:08:07,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:08:07,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:08:07,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:08:07,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:08:07,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:08:07,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:08:07,770 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:07,770 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:08:07,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:08:07,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:07,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:08:07,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3 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 -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2024-11-25 03:08:08,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:08:08,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:08:08,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:08:08,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:08:08,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:08:08,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-25 03:08:11,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/fbc64b2a7/9f58e0e9f1b54f6f982258883188e00a/FLAG1eea942d1 [2024-11-25 03:08:11,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:11,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-25 03:08:11,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/fbc64b2a7/9f58e0e9f1b54f6f982258883188e00a/FLAG1eea942d1 [2024-11-25 03:08:11,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/data/fbc64b2a7/9f58e0e9f1b54f6f982258883188e00a [2024-11-25 03:08:11,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:11,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:11,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:11,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:11,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:11,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:11,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d47c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11, skipping insertion in model container [2024-11-25 03:08:11,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:11,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:11,858 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:08:11,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:11,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:11,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:11,949 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:11,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11 WrapperNode [2024-11-25 03:08:11,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:11,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:11,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:11,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:11,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:11,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,001 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-25 03:08:12,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:12,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:12,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:12,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:12,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:12,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:12,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:12,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:12,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:11" (1/1) ... [2024-11-25 03:08:12,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:12,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:12,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:12,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 03:08:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:08:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:08:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:08:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 03:08:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:08:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:08:12,114 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:08:12,237 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:12,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:12,701 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:08:12,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:12,965 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:08:13,005 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:08:13,012 INFO L158 Benchmark]: Toolchain (without parser) took 1452.40ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 40.7MB in the end (delta: 20.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-25 03:08:13,015 INFO L158 Benchmark]: CDTParser took 3.57ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:13,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.69ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 47.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:08:13,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.81ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:08:13,016 INFO L158 Benchmark]: Boogie Preprocessor took 36.98ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:13,017 INFO L158 Benchmark]: RCFGBuilder took 971.27ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 40.7MB in the end (delta: 4.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-25 03:08:13,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.57ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.69ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 47.8MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.81ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.98ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 971.27ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 40.7MB in the end (delta: 4.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:08:13,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e913233d-25d1-47cd-b869-bc48d46115dd/bin/ukojak-verify-ENZ3QT5qd3/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: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?