./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2 --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 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:49,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:49,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:26:49,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:49,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:49,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:49,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:49,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:49,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:49,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:49,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:49,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:49,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:49,531 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:49,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:49,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:49,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:49,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:49,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:49,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:49,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:49,540 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:49,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:49,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:49,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:49,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:49,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:49,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:49,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:49,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:49,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:49,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:49,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:49,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:49,548 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:49,548 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_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-11-21 18:26:49,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:49,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:49,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:49,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:49,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:49,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-21 18:26:53,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:53,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:53,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-21 18:26:53,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/e585fd4c7/c032801d74ca402592bf5f67e129b127/FLAG9edd0b0ad [2023-11-21 18:26:53,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/e585fd4c7/c032801d74ca402592bf5f67e129b127 [2023-11-21 18:26:53,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:53,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:53,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:53,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:53,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:53,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:53" (1/1) ... [2023-11-21 18:26:53,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221d793c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:53, skipping insertion in model container [2023-11-21 18:26:53,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:53" (1/1) ... [2023-11-21 18:26:54,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:54,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:54,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:54,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:54,771 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:54,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54 WrapperNode [2023-11-21 18:26:54,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:54,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:54,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:54,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:54,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,850 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-21 18:26:54,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:54,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:54,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:54,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:54,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:54,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:54,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:54,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:54,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:54" (1/1) ... [2023-11-21 18:26:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:54,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:54,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:26:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:26:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:26:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:26:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:26:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:26:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:26:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:26:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:54,989 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:55,161 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:55,164 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:55,376 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:55,541 WARN L1820 r$LargeBlockEncoding]: Complex 2:7 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:26:55,652 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);}EndParallelComposition). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:26:55,666 INFO L158 Benchmark]: Toolchain (without parser) took 1790.85ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 67.1MB in the end (delta: 36.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-21 18:26:55,667 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:55,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.04ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:55,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.03ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:55,670 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 97.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:55,671 INFO L158 Benchmark]: RCFGBuilder took 774.71ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 67.1MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:26:55,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.04ms. Allocated memory is still 146.8MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.03ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 97.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.71ms. Allocated memory is still 146.8MB. Free memory was 97.6MB in the beginning and 67.1MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);}EndParallelComposition). 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := -2147483648;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume 2 + findMax_~offset#1 >= -2147483648;assume 2 + findMax_~offset#1 <= 2147483647;assume !(findMax_~i~0#1 < 2 + findMax_~offset#1);}EndParallelComposition). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:55,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2 --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 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:59,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:59,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:26:59,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:59,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:59,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:59,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:59,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:59,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:59,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:59,328 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:59,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:59,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:59,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:59,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:59,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:59,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:26:59,334 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:26:59,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:59,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:26:59,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:59,338 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:59,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:59,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:59,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:59,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:59,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:59,341 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:59,342 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:59,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:59,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:59,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:59,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:59,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:59,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:26:59,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:59,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:59,347 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:26:59,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:59,349 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_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-11-21 18:26:59,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:59,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:59,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:59,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:59,974 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:59,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-21 18:27:04,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:04,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:04,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-21 18:27:04,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/040ff7bab/40293e5b5a274ccead07d848bd357f17/FLAGa1325a4cc [2023-11-21 18:27:04,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/data/040ff7bab/40293e5b5a274ccead07d848bd357f17 [2023-11-21 18:27:04,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:04,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:04,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:04,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:04,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:04,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04, skipping insertion in model container [2023-11-21 18:27:04,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:05,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:05,368 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:05,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:05,555 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:05,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05 WrapperNode [2023-11-21 18:27:05,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:05,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:05,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:05,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:05,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,638 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-21 18:27:05,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:05,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:05,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:05,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:05,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:05,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:05,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:05,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:05,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:05,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:05,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:27:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:27:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:27:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:27:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:27:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:27:05,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:27:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:27:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:27:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:27:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:27:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:27:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:05,860 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:27:06,044 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:06,047 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:06,298 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:06,471 WARN L1820 r$LargeBlockEncoding]: Complex 2:7 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:27:06,571 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: 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));}EndParallelComposition). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:27:06,577 INFO L158 Benchmark]: Toolchain (without parser) took 1950.84ms. Allocated memory is still 109.1MB. Free memory was 84.9MB in the beginning and 58.5MB in the end (delta: 26.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,578 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:06,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.01ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 63.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.04ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,581 INFO L158 Benchmark]: Boogie Preprocessor took 88.16ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 59.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,582 INFO L158 Benchmark]: RCFGBuilder took 845.70ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 58.5MB in the end (delta: 619.0kB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,587 INFO L338 ainManager$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 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.01ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 63.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.04ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.16ms. Allocated memory is still 109.1MB. Free memory was 61.4MB in the beginning and 59.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 845.70ms. Allocated memory is still 109.1MB. Free memory was 59.1MB in the beginning and 58.5MB in the end (delta: 619.0kB). Peak memory consumption was 9.5MB. 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: 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));}EndParallelComposition). 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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: 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));}EndParallelComposition). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:27:06,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32126862-b6b0-4f1a-82fe-2ea06a85751e/bin/ukojak-verify-i0I2FZA1j2/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_~my_max~0#1;findMax_~offset#1 := findMax_#in~offset#1;havoc findMax_~i~0#1;havoc findMax_~e~0#1;findMax_~my_max~0#1 := 2147483648bv32;findMax_~i~0#1 := findMax_~offset#1;BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: 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));}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?