./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:24,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:24,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:33:24,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:24,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:24,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:24,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:24,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:24,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:24,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:24,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:24,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:24,692 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:24,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:24,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:24,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:24,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:24,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:24,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:24,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:24,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:24,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:24,698 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:33:24,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:24,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:24,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:24,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:24,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:24,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:24,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:24,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:24,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:24,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:24,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:24,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:24,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:24,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:24,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:24,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:24,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:24,707 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:24,708 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-12 02:33:25,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:25,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:25,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:25,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:25,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:25,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-12 02:33:28,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:28,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:28,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-12 02:33:28,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/data/838ec0fb5/83ed4932728b4c8e9cd7c0a1b0bfea46/FLAG3e862cf24 [2023-11-12 02:33:28,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/data/838ec0fb5/83ed4932728b4c8e9cd7c0a1b0bfea46 [2023-11-12 02:33:28,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:28,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:28,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:28,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:28,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:28,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:28,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62341a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:28, skipping insertion in model container [2023-11-12 02:33:28,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:28" (1/1) ... [2023-11-12 02:33:28,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:29,002 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:33:29,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:29,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:29,296 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:33:29,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:29,396 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:29,396 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:29,397 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:29,405 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:29,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29 WrapperNode [2023-11-12 02:33:29,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:29,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:29,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:29,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:29,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,491 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2023-11-12 02:33:29,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:29,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:29,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:29,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:29,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:29,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:29,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:29,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:29,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (1/1) ... [2023-11-12 02:33:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:29,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:29,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:29,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:33:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 02:33:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 02:33:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 02:33:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 02:33:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:33:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:33:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:33:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:29,668 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:33:29,825 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:29,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:30,137 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:30,146 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:30,151 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 02:33:30,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:30 BoogieIcfgContainer [2023-11-12 02:33:30,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:30,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:30,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:30,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:30,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:28" (1/3) ... [2023-11-12 02:33:30,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e344e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:30, skipping insertion in model container [2023-11-12 02:33:30,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:29" (2/3) ... [2023-11-12 02:33:30,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e344e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:30, skipping insertion in model container [2023-11-12 02:33:30,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:30" (3/3) ... [2023-11-12 02:33:30,194 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-12 02:33:30,203 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:33:30,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:30,212 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-12 02:33:30,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e344e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:33:30, skipping insertion in model container [2023-11-12 02:33:30,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:33:30,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:30,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:30,215 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:30,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:30" (3/3) ... [2023-11-12 02:33:30,218 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:33:30,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-12 02:33:30,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-12 02:33:30,228 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 02:33:30,228 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:33:30,228 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:33:30,228 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:33:30,328 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:33:30,330 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:33:30,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:30,333 INFO L158 Benchmark]: Toolchain (without parser) took 1584.50ms. Allocated memory is still 144.7MB. Free memory was 113.2MB in the beginning and 106.8MB in the end (delta: 6.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,333 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:30,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.21ms. Allocated memory is still 144.7MB. Free memory was 112.8MB in the beginning and 92.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.72ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,335 INFO L158 Benchmark]: Boogie Preprocessor took 72.89ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:30,335 INFO L158 Benchmark]: RCFGBuilder took 591.35ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 113.9MB in the end (delta: -25.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,336 INFO L158 Benchmark]: TraceAbstraction took 54.35ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 110.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,336 INFO L158 Benchmark]: Witness Printer took 116.39ms. Allocated memory is still 144.7MB. Free memory was 110.8MB in the beginning and 106.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:33:30,344 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 107.0MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.21ms. Allocated memory is still 144.7MB. Free memory was 112.8MB in the beginning and 92.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.72ms. Allocated memory is still 144.7MB. Free memory was 92.3MB in the beginning and 90.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.89ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.35ms. Allocated memory is still 144.7MB. Free memory was 88.5MB in the beginning and 113.9MB in the end (delta: -25.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 54.35ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 110.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 116.39ms. Allocated memory is still 144.7MB. Free memory was 110.8MB in the beginning and 106.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-12 02:33:30,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64303e2b-aaf3-439c-8442-55cb1e8a8abd/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE