./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:56,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:56,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:10:56,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:56,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:56,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:56,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:56,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:56,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:56,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:56,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:56,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:56,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:56,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:56,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:56,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:56,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:56,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:56,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:56,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:56,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:56,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:56,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:56,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:56,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:56,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:56,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:56,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:56,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:56,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:56,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:56,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:56,319 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:56,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:56,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:56,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-24 22:10:56,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:56,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:56,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:56,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:56,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:56,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-24 22:10:59,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:00,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:00,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-24 22:11:00,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/554f3ee50/bd29ebee25de4f3c9ec3e095e1f05096/FLAG155357a01 [2023-11-24 22:11:00,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/554f3ee50/bd29ebee25de4f3c9ec3e095e1f05096 [2023-11-24 22:11:00,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:00,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:00,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:00,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:00,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:00,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f735ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00, skipping insertion in model container [2023-11-24 22:11:00,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:00,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:00,616 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:00,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:00,742 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:00,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00 WrapperNode [2023-11-24 22:11:00,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:00,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:00,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:00,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:00,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,825 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-24 22:11:00,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:00,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:00,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:00,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:00,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:00,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:00,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:00,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:00,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:00" (1/1) ... [2023-11-24 22:11:00,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:00,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:00,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:00,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:11:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:11:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:11:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:11:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-24 22:11:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-24 22:11:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:11:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-24 22:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-24 22:11:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:00,985 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:11:01,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:01,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:01,486 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:01,547 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 22:11:01,584 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:11:01,590 INFO L158 Benchmark]: Toolchain (without parser) took 1503.46ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 78.1MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:01,590 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:01,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.33ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 100.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:01,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.13ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 98.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:01,593 INFO L158 Benchmark]: Boogie Preprocessor took 50.06ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:01,594 INFO L158 Benchmark]: RCFGBuilder took 710.20ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 78.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:01,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 155.2MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.33ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 100.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.13ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 98.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.06ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.20ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 78.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !!(findMax_~i~0#1 < 2 + findMax_~offset#1);call findMax_#t~mem4#1 := read~int(~#storage~0.base, ~#storage~0.offset + 4 * findMax_~i~0#1, 4);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:01,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:04,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:04,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:11:04,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:04,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:04,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:04,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:04,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:04,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:04,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:04,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:04,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:04,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:04,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:04,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:04,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:04,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:04,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:04,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:04,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:04,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:04,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:04,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:04,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:04,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:04,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:04,576 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:04,577 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:04,577 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:04,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:04,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:04,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:04,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:04,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:04,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:04,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:04,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:04,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:04,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:04,582 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-24 22:11:05,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:05,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:05,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:05,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:05,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:05,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-24 22:11:08,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:08,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:08,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-24 22:11:08,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/02e4c3b4c/dd0276b56c6948afbbf6587da88afe8a/FLAG250c86145 [2023-11-24 22:11:08,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/data/02e4c3b4c/dd0276b56c6948afbbf6587da88afe8a [2023-11-24 22:11:08,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:08,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:08,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:08,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:08,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:08,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:08" (1/1) ... [2023-11-24 22:11:08,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad896da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:08, skipping insertion in model container [2023-11-24 22:11:08,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:08" (1/1) ... [2023-11-24 22:11:08,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:09,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:09,143 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:09,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:09,301 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:09,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09 WrapperNode [2023-11-24 22:11:09,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:09,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:09,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:09,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:09,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,398 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-24 22:11:09,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:09,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:09,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:09,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:09,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:09,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:09,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:09,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:09,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:09" (1/1) ... [2023-11-24 22:11:09,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:09,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:09,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:11:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:11:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-24 22:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-24 22:11:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:11:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-24 22:11:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-24 22:11:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:09,576 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:11:09,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:09,804 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:10,027 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:10,094 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 22:11:10,116 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:11:10,121 INFO L158 Benchmark]: Toolchain (without parser) took 1613.94ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 53.1MB in the end (delta: -13.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-24 22:11:10,121 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:10,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.84ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 55.2MB in the end (delta: -15.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-24 22:11:10,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.87ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:10,124 INFO L158 Benchmark]: Boogie Preprocessor took 63.62ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 51.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:10,125 INFO L158 Benchmark]: RCFGBuilder took 654.32ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 53.1MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:10,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.84ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 55.2MB in the end (delta: -15.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.87ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.62ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 51.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.32ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 53.1MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:10,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65e3e53a-ecc9-4e7f-85af-203f5b4dd406/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline_findMax } true;findMax_#in~offset#1 := ~offset~0#1;havoc findMax_#t~mem4#1, findMax_#t~post3#1, findMax_~offset#1, findMax_~i~0#1, findMax_~e~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~i~0#1 := findMax_~offset#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)));assume ~bvsle~33(~bvadd~33(2bv33, ~sign_extend~33~32(findMax_~offset#1)), 2147483647bv33);assume !!~bvslt~32(findMax_~i~0#1, ~bvadd~32(2bv32, findMax_~offset#1));call findMax_#t~mem4#1 := read~intINTTYPE4(~#storage~0.base, ~bvadd~32(~#storage~0.offset, ~bvmul~32(4bv32, findMax_~i~0#1)), 4bv32);findMax_~e~0#1 := findMax_#t~mem4#1;havoc findMax_#t~mem4#1;). Is there illegal control flow (e.g. loops) within an atomic block?