./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.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_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/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_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/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_785bfcf1-1131-45cd-913a-537c1c5889cc/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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:01,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:01,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:27:01,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:01,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:01,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:01,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:01,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:01,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:01,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:01,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:01,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:01,620 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:01,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:01,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:01,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:01,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:01,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:01,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:01,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:01,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:01,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:01,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:01,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:01,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:01,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:01,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:01,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:01,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:01,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:01,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:01,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:01,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:01,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:01,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:01,647 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_785bfcf1-1131-45cd-913a-537c1c5889cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2023-11-19 03:27:01,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:02,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:02,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:02,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:02,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:02,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2023-11-19 03:27:05,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:05,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:05,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/sv-benchmarks/c/ldv-races/race-1_3-join.i [2023-11-19 03:27:05,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/d8f3c1eef/7da34dbc07b34b158ade9dd1d9fcd3d1/FLAG131ba3b54 [2023-11-19 03:27:05,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/d8f3c1eef/7da34dbc07b34b158ade9dd1d9fcd3d1 [2023-11-19 03:27:05,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:05,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:05,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:05,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:05,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:05,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:05" (1/1) ... [2023-11-19 03:27:05,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5ef784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:05, skipping insertion in model container [2023-11-19 03:27:05,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:05" (1/1) ... [2023-11-19 03:27:05,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:06,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:06,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:06,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:06,871 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:06,871 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:06,880 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:06,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06 WrapperNode [2023-11-19 03:27:06,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:06,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:06,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:06,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:06,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:06,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,005 INFO L138 Inliner]: procedures = 482, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2023-11-19 03:27:07,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:07,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:07,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:07,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:07,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:07,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:07,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:07,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:07,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:06" (1/1) ... [2023-11-19 03:27:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:07,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:07,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:07,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:27:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:27:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:27:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:27:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:27:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 03:27:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 03:27:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:07,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:27:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:27:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:27:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:07,196 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 03:27:07,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:07,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:07,716 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:07,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:07,858 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:07,861 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: module_init_#res#1 := -1;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume -2147483648 <= main_#t~ret37#1 && main_#t~ret37#1 <= 2147483647;assume !(0 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4);~pdev~0 := 4;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:27:07,872 INFO L158 Benchmark]: Toolchain (without parser) took 2304.53ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 117.2MB in the beginning and 132.1MB in the end (delta: -14.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-19 03:27:07,873 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:07,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1314.75ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 116.6MB in the beginning and 163.3MB in the end (delta: -46.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:07,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.89ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 160.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:07,876 INFO L158 Benchmark]: Boogie Preprocessor took 73.28ms. Allocated memory is still 205.5MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:07,878 INFO L158 Benchmark]: RCFGBuilder took 788.55ms. Allocated memory is still 205.5MB. Free memory was 158.3MB in the beginning and 132.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:27:07,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1314.75ms. Allocated memory was 167.8MB in the beginning and 205.5MB in the end (delta: 37.7MB). Free memory was 116.6MB in the beginning and 163.3MB in the end (delta: -46.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.89ms. Allocated memory is still 205.5MB. Free memory was 163.3MB in the beginning and 160.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.28ms. Allocated memory is still 205.5MB. Free memory was 160.4MB in the beginning and 158.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.55ms. Allocated memory is still 205.5MB. Free memory was 158.3MB in the beginning and 132.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. 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: module_init_#res#1 := -1;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume -2147483648 <= main_#t~ret37#1 && main_#t~ret37#1 <= 2147483647;assume !(0 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4);~pdev~0 := 4;). 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: module_init_#res#1 := -1;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume -2147483648 <= main_#t~ret37#1 && main_#t~ret37#1 <= 2147483647;assume !(0 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4);~pdev~0 := 4;). 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 03:27:07,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/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_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/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_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/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_785bfcf1-1131-45cd-913a-537c1c5889cc/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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:10,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:10,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:27:10,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:10,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:10,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:10,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:10,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:10,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:10,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:10,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:10,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:10,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:10,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:10,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:10,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:10,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:27:10,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:27:10,754 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:10,755 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:27:10,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:10,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:10,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:10,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:10,758 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:10,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:10,759 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:10,759 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:10,760 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:10,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:10,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:10,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:10,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:10,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:10,763 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:27:10,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:10,763 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:10,763 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:27:10,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:10,765 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_785bfcf1-1131-45cd-913a-537c1c5889cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 [2023-11-19 03:27:11,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:11,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:11,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:11,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:11,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:11,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-races/race-1_3-join.i [2023-11-19 03:27:14,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:14,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:14,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/sv-benchmarks/c/ldv-races/race-1_3-join.i [2023-11-19 03:27:14,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/86c0a5936/48b98e048ca14acb95fb780a27929258/FLAG80f0fdc30 [2023-11-19 03:27:14,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/data/86c0a5936/48b98e048ca14acb95fb780a27929258 [2023-11-19 03:27:14,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:14,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:14,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:14,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:14,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:14,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:14" (1/1) ... [2023-11-19 03:27:14,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304da14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:14, skipping insertion in model container [2023-11-19 03:27:14,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:14" (1/1) ... [2023-11-19 03:27:15,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:15,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:15,900 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:15,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:16,191 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:16,191 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:16,200 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:16,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16 WrapperNode [2023-11-19 03:27:16,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:16,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:16,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:16,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:16,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,307 INFO L138 Inliner]: procedures = 486, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-19 03:27:16,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:16,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:16,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:16,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:16,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:16,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:16,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:16,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:16,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:16,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:27:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:27:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:27:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:27:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 03:27:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:27:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:27:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:27:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:27:16,505 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 03:27:16,897 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:16,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:17,167 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:17,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:17,298 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:17,303 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: module_init_#res#1 := 4294967295bv32;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume !(0bv32 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4bv32);~pdev~0 := 4bv32;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:27:17,311 INFO L158 Benchmark]: Toolchain (without parser) took 2333.96ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 66.3MB in the beginning and 78.5MB in the end (delta: -12.2MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:17,312 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:17,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.46ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 47.6MB in the end (delta: 18.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:27:17,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.62ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 44.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:17,316 INFO L158 Benchmark]: Boogie Preprocessor took 105.31ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 40.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:17,318 INFO L158 Benchmark]: RCFGBuilder took 894.52ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 78.5MB in the end (delta: -38.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:17,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.46ms. Allocated memory is still 88.1MB. Free memory was 66.3MB in the beginning and 47.6MB in the end (delta: 18.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.62ms. Allocated memory is still 88.1MB. Free memory was 47.6MB in the beginning and 44.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.31ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 40.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 894.52ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 78.5MB in the end (delta: -38.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: module_init_#res#1 := 4294967295bv32;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume !(0bv32 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4bv32);~pdev~0 := 4bv32;). 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: module_init_#res#1 := 4294967295bv32;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume !(0bv32 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4bv32);~pdev~0 := 4bv32;). 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 03:27:17,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785bfcf1-1131-45cd-913a-537c1c5889cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: module_init_#res#1 := 4294967295bv32;main_#t~ret37#1 := module_init_#res#1;havoc module_init_#t~nondet32#1, module_init_#t~pre33#1, module_init_#t~nondet34#1;assume { :end_inline_module_init } true;assume !(0bv32 != main_#t~ret37#1);havoc main_#t~ret37#1;assume { :begin_inline_module_exit } true;havoc module_exit_#t~mem35#1, module_exit_#t~nondet36#1.base, module_exit_#t~nondet36#1.offset, module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset;call module_exit_~#status~0#1.base, module_exit_~#status~0#1.offset := #Ultimate.allocOnStack(4bv32);~pdev~0 := 4bv32;). Is there illegal control flow (e.g. loops) within an atomic block?