./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 30e01a73 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_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:22:43,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:43,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:43,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:43,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:43,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:43,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:43,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:43,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:43,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:43,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:43,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:43,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:43,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:43,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:43,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:43,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:43,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:43,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:43,499 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:43,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:43,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:43,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:43,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:43,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:43,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:43,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:43,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:43,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:43,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:43,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:43,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:43,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:43,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:43,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:43,507 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_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-23 20:22:43,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:43,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:43,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:43,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:43,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:43,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-23 20:22:47,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:47,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:47,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-23 20:22:47,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/a83d66c97/374580d5277249e9b4e33057f500fa86/FLAG287307412 [2023-11-23 20:22:47,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/a83d66c97/374580d5277249e9b4e33057f500fa86 [2023-11-23 20:22:47,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:47,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:47,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:47,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:47,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:47,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:47,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfbab80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47, skipping insertion in model container [2023-11-23 20:22:47,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:47,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:47,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:47,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:47,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:47,946 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:47,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47 WrapperNode [2023-11-23 20:22:47,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:47,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:47,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:47,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:47,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:47,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:47,994 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-23 20:22:47,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:47,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:47,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:47,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:48,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:48,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:48,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:48,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:48,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:47" (1/1) ... [2023-11-23 20:22:48,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:48,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:48,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:48,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:22:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:22:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:22:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:22:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-23 20:22:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-23 20:22:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-23 20:22:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-23 20:22:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:48,187 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:22:48,309 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:48,311 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:48,500 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:48,582 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 20:22:48,603 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:22:48,608 INFO L158 Benchmark]: Toolchain (without parser) took 1218.12ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 99.5MB in the end (delta: 13.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 20:22:48,609 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:48,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.37ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 92.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:22:48,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:48,611 INFO L158 Benchmark]: Boogie Preprocessor took 49.46ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:48,612 INFO L158 Benchmark]: RCFGBuilder took 560.21ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 99.5MB in the end (delta: -10.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:48,615 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.37ms. Allocated memory is still 146.8MB. Free memory was 112.0MB in the beginning and 92.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.46ms. Allocated memory is still 146.8MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.21ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 99.5MB in the end (delta: -10.3MB). Peak memory consumption was 4.2MB. 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. [2023-11-23 20:22:48,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC --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 0.2.3-dev-30e01a7 [2023-11-23 20:22:51,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:51,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:22:51,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:51,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:51,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:51,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:51,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:51,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:51,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:51,437 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:51,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:51,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:51,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:51,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:51,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:51,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:22:51,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:22:51,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:51,443 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:22:51,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:51,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:51,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:51,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:51,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:51,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:51,448 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:51,448 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:51,449 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:51,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:51,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:51,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:51,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:51,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:51,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:22:51,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:51,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:51,454 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:22:51,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:51,455 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_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e54e3c041005c4525c3228cc12d27a93b528db4b6a57c9d2a4209bc47f8ee6e [2023-11-23 20:22:51,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:51,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:51,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:51,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:51,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:51,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-23 20:22:55,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:55,513 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:55,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-23 20:22:55,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/2b74893de/d4ce94fd39784f71a738b0ddeaef6d52/FLAGc96d507fe [2023-11-23 20:22:55,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/data/2b74893de/d4ce94fd39784f71a738b0ddeaef6d52 [2023-11-23 20:22:55,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:55,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:55,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:55,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:55,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:55,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:55" (1/1) ... [2023-11-23 20:22:55,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36acd7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:55, skipping insertion in model container [2023-11-23 20:22:55,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:55" (1/1) ... [2023-11-23 20:22:55,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:56,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:56,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:56,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:56,235 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:56,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56 WrapperNode [2023-11-23 20:22:56,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:56,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:56,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:56,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:56,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,324 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-23 20:22:56,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:56,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:56,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:56,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:56,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:56,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:56,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:56,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:56,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:56" (1/1) ... [2023-11-23 20:22:56,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:56,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:56,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:22:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:22:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:22:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-23 20:22:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-23 20:22:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:22:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:22:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:22:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-23 20:22:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-23 20:22:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:56,492 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:22:56,651 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:56,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:56,938 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:56,998 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 20:22:57,020 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:22:57,024 INFO L158 Benchmark]: Toolchain (without parser) took 1470.72ms. Allocated memory is still 67.1MB. Free memory was 41.8MB in the beginning and 26.6MB in the end (delta: 15.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-23 20:22:57,025 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:57,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.02ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.0MB in the end (delta: 5.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-23 20:22:57,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.37ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 33.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:57,044 INFO L158 Benchmark]: Boogie Preprocessor took 54.35ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:57,045 INFO L158 Benchmark]: RCFGBuilder took 640.44ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 26.6MB in the end (delta: 5.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-23 20:22:57,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.02ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.0MB in the end (delta: 5.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.37ms. Allocated memory is still 67.1MB. Free memory was 36.0MB in the beginning and 33.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.35ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 31.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.44ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 26.6MB in the end (delta: 5.0MB). Peak memory consumption was 3.4MB. 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_~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. [2023-11-23 20:22:57,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f608bf-84c6-482a-8be9-9d0fb4211ab3/bin/ukojak-verify-1t5iHCbJaC/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?