./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:18:37,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:37,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:18:37,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:37,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:37,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:37,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:37,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:37,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:37,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:37,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:37,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:37,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:37,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:37,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:37,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:37,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:37,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:37,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:37,562 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:18:37,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:18:37,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:37,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:37,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:37,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:37,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:37,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:37,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:37,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:37,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:37,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:37,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:37,569 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:37,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:37,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:37,570 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_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-11-19 03:18:37,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:37,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:37,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:37,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:37,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:37,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-19 03:18:41,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:41,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:41,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-19 03:18:41,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/07d0e8efd/1811ceef47a945719588b881a32563d2/FLAG7ee006f59 [2023-11-19 03:18:41,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/07d0e8efd/1811ceef47a945719588b881a32563d2 [2023-11-19 03:18:41,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:41,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:41,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:41,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:41,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:41,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:41" (1/1) ... [2023-11-19 03:18:41,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55eb3980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:41, skipping insertion in model container [2023-11-19 03:18:41,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:41" (1/1) ... [2023-11-19 03:18:41,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:41,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:41,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:42,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:42,077 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:42,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42 WrapperNode [2023-11-19 03:18:42,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:42,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:42,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:42,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:42,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,127 INFO L138 Inliner]: procedures = 171, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-19 03:18:42,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:42,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:42,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:42,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:42,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:42,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:42,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:42,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:42,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:42" (1/1) ... [2023-11-19 03:18:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:42,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:42,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:42,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:18:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:18:42,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:18:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:18:42,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:18:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:18:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:18:42,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:18:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:42,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:18:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:18:42,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:42,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:42,241 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:42,369 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:42,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:42,568 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:42,734 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:42,747 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:18:42,750 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !(findMax_~e~0#1 <= findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:18:42,754 INFO L158 Benchmark]: Toolchain (without parser) took 1277.35ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 97.1MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-19 03:18:42,755 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:42,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.17ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 125.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:18:42,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.89ms. Allocated memory is still 192.9MB. Free memory was 125.0MB in the beginning and 123.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:42,757 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 192.9MB. Free memory was 123.4MB in the beginning and 121.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:42,758 INFO L158 Benchmark]: RCFGBuilder took 592.13ms. Allocated memory is still 192.9MB. Free memory was 121.4MB in the beginning and 97.7MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:42,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.17ms. Allocated memory is still 192.9MB. Free memory was 145.3MB in the beginning and 125.0MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.89ms. Allocated memory is still 192.9MB. Free memory was 125.0MB in the beginning and 123.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 192.9MB. Free memory was 123.4MB in the beginning and 121.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.13ms. Allocated memory is still 192.9MB. Free memory was 121.4MB in the beginning and 97.7MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !(findMax_~e~0#1 <= findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !(findMax_~e~0#1 > findMax_~my_max~0#1);ParallelCodeBlock1: assume findMax_~e~0#1 > findMax_~my_max~0#1;findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !(findMax_~e~0#1 <= findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:42,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL --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-9bd2c7f [2023-11-19 03:18:45,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:45,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:18:45,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:45,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:45,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:45,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:45,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:45,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:45,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:45,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:45,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:45,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:45,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:45,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:45,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:45,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:18:45,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:18:45,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:18:45,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:18:45,795 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:18:45,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:45,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:45,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:45,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:45,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:45,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:45,799 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:45,799 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:45,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:45,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:45,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:45,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:45,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:45,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:18:45,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:18:45,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:45,804 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:18:45,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:18:45,805 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_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aaecf4b84c8f01be47d1e624871b73f33541df72e3693614a0a3bb5cc7a97b5 [2023-11-19 03:18:46,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:46,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:46,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:46,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:46,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:46,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-19 03:18:49,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:49,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:49,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2023-11-19 03:18:49,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/aded116fa/94f95d2b7b504eb983a73f94e3009a52/FLAGb262abc59 [2023-11-19 03:18:49,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/data/aded116fa/94f95d2b7b504eb983a73f94e3009a52 [2023-11-19 03:18:49,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:49,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:49,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:49,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:49,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:49,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:49" (1/1) ... [2023-11-19 03:18:49,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f51f018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:49, skipping insertion in model container [2023-11-19 03:18:49,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:49" (1/1) ... [2023-11-19 03:18:49,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:50,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:50,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:50,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:50,627 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:50,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50 WrapperNode [2023-11-19 03:18:50,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:50,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:50,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:50,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:50,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,717 INFO L138 Inliner]: procedures = 175, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-19 03:18:50,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:50,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:50,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:50,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:50,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:50,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:50,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:50,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:50,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:50" (1/1) ... [2023-11-19 03:18:50,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:50,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:50,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:50,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:18:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 03:18:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 03:18:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-19 03:18:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-19 03:18:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:18:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:18:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:18:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:18:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:18:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:18:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:18:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-19 03:18:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-19 03:18:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:50,899 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:18:51,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:51,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:51,308 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:51,556 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:51,564 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:18:51,567 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:18:51,575 INFO L158 Benchmark]: Toolchain (without parser) took 1729.10ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 63.0MB in the end (delta: -517.9kB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:18:51,576 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:51,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.32ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-19 03:18:51,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.71ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:51,580 INFO L158 Benchmark]: Boogie Preprocessor took 92.97ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:51,581 INFO L158 Benchmark]: RCFGBuilder took 761.15ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 63.0MB in the end (delta: -6.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-19 03:18:51,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.32ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.71ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.97ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.15ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 63.0MB in the end (delta: -6.5MB). Peak memory consumption was 26.0MB. 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:18:51,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9c2576-a1e6-4a1c-ba96-e715bb1d437d/bin/ukojak-verify-G8NBE6pJGL/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;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;BeginParallelComposition{ParallelCodeBlock0: assume !~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);ParallelCodeBlock1: assume ~bvsgt~32(findMax_~e~0#1, findMax_~my_max~0#1);findMax_~my_max~0#1 := findMax_~e~0#1;}EndParallelCompositionassume !~bvsle~32(findMax_~e~0#1, findMax_~my_max~0#1);assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;BeginParallelComposition{ParallelCodeBlock0: assume false;ParallelCodeBlock1: assume !false;assume false;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;}EndParallelCompositionhavoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset;assume { :end_inline_reach_error } true;assume false;). Is there illegal control flow (e.g. loops) within an atomic block?