./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:20:31,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:32,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:20:32,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:20:32,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:20:32,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:32,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:32,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:32,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:32,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:32,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:32,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:32,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:32,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:20:32,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:32,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:32,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:32,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:32,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:32,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:32,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:32,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:32,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:32,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:32,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:20:32,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:20:32,154 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_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:20:32,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:32,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:32,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:32,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:32,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:32,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c Unable to find full path for "g++" [2024-11-13 21:20:34,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:35,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:35,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-13 21:20:35,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/0263fb567/71e4c27affc74275b4206a2150053863/FLAG0e6e03790 [2024-11-13 21:20:35,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/0263fb567/71e4c27affc74275b4206a2150053863 [2024-11-13 21:20:35,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:35,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:35,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:35,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:35,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:35,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3093b329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35, skipping insertion in model container [2024-11-13 21:20:35,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:35,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:35,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:35,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:35,531 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:35,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35 WrapperNode [2024-11-13 21:20:35,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:35,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:35,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:35,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:35,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,577 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-13 21:20:35,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:35,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:35,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:35,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:35,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:35,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:35,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:35,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:35,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:35" (1/1) ... [2024-11-13 21:20:35,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:35,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:35,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:35,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:20:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:20:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 21:20:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:20:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:20:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:20:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:20:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:20:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:20:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:20:35,695 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:20:35,830 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:35,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:36,353 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:20:36,353 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:36,589 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:20:36,630 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:303) 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) [2024-11-13 21:20:36,642 INFO L158 Benchmark]: Toolchain (without parser) took 1421.62ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 41.9MB in the end (delta: 52.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:20:36,643 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:36,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.37ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:36,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:36,645 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:36,647 INFO L158 Benchmark]: RCFGBuilder took 1014.92ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.9MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:20:36,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.37ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.5MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.92ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.9MB in the end (delta: 37.0MB). 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. [2024-11-13 21:20:36,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/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_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 21:20:39,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:20:39,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:20:39,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:20:39,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:20:39,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:20:39,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:20:39,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:20:39,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:20:39,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:20:39,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:20:39,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:20:39,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:20:39,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:20:39,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:20:39,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:20:39,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:20:39,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:20:39,946 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:39,946 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:20:39,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:20:39,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:39,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:20:39,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:20:39,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:20:39,947 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:20:39,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:20:39,948 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:20:39,948 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_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:20:40,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:20:40,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:20:40,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:20:40,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:20:40,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:20:40,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c Unable to find full path for "g++" [2024-11-13 21:20:42,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:20:42,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:20:42,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2024-11-13 21:20:42,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/2c16f05c4/3bcda236042141d79f9878673f4d35dc/FLAGdd44a458b [2024-11-13 21:20:42,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/data/2c16f05c4/3bcda236042141d79f9878673f4d35dc [2024-11-13 21:20:42,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:20:42,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:20:42,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:42,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:20:42,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:20:42,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:42" (1/1) ... [2024-11-13 21:20:42,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c00758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:42, skipping insertion in model container [2024-11-13 21:20:42,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:20:42" (1/1) ... [2024-11-13 21:20:42,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:20:43,277 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:20:43,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:43,300 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:20:43,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:20:43,385 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:20:43,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43 WrapperNode [2024-11-13 21:20:43,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:20:43,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:43,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:20:43,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:20:43,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,447 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-13 21:20:43,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:20:43,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:20:43,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:20:43,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:20:43,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:20:43,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:20:43,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:20:43,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:20:43,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:20:43" (1/1) ... [2024-11-13 21:20:43,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:20:43,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:20:43,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:20:43,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:20:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:20:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:20:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:20:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:20:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:20:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:20:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:20:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:20:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:20:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 21:20:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 21:20:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:20:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:20:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:20:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:20:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:20:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:20:43,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:20:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:20:43,583 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:20:43,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:20:43,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:20:44,344 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:20:44,344 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:20:44,598 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:20:44,647 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:303) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:20:44,651 INFO L158 Benchmark]: Toolchain (without parser) took 1700.16ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 88.4MB in the end (delta: 4.5MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2024-11-13 21:20:44,652 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:44,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:20:44,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.33ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:44,653 INFO L158 Benchmark]: Boogie Preprocessor took 43.81ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:20:44,653 INFO L158 Benchmark]: RCFGBuilder took 1153.38ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 88.4MB in the end (delta: -11.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-13 21:20:44,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.35ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.33ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.81ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1153.38ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 88.4MB in the end (delta: -11.7MB). Peak memory consumption was 46.3MB. 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. [2024-11-13 21:20:44,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12814a56-c5cb-42ea-b115-5c114dc01332/bin/ukojak-verify-EEHR8qb7sm/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?