./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 e7bb482b 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_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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-e7bb482 [2023-11-06 22:56:34,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:56:34,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:56:34,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:56:34,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:56:34,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:56:34,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:56:34,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:56:34,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:56:34,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:56:34,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:56:34,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:56:34,376 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:56:34,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:56:34,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:56:34,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:56:34,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:56:34,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:56:34,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:56:34,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:56:34,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:56:34,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:56:34,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:56:34,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:56:34,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:56:34,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:56:34,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:56:34,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:56:34,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:56:34,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:56:34,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:34,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:56:34,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:56:34,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:56:34,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:56:34,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:56:34,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:56:34,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:56:34,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:56:34,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:56:34,391 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:56:34,392 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_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-06 22:56:34,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:56:34,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:56:34,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:56:34,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:56:34,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:56:34,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-06 22:56:38,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:56:38,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:56:38,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-06 22:56:38,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/data/54534c3b4/a3c595a4895e41e4b365f3fa2822848c/FLAG23b6172c5 [2023-11-06 22:56:38,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/data/54534c3b4/a3c595a4895e41e4b365f3fa2822848c [2023-11-06 22:56:38,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:56:38,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:56:38,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:38,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:56:38,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:56:38,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:38" (1/1) ... [2023-11-06 22:56:38,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c47f408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:38, skipping insertion in model container [2023-11-06 22:56:38,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:56:38" (1/1) ... [2023-11-06 22:56:38,542 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:56:38,726 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:56:38,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:38,906 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:56:38,921 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:56:38,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:56:38,991 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:56:38,991 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:56:38,991 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:56:38,999 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:56:39,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39 WrapperNode [2023-11-06 22:56:39,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:56:39,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:39,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:56:39,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:56:39,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,060 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2023-11-06 22:56:39,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:56:39,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:56:39,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:56:39,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:56:39,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:56:39,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:56:39,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:56:39,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:56:39,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (1/1) ... [2023-11-06 22:56:39,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:56:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:56:39,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:56:39,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:56:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:56:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-06 22:56:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-06 22:56:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 22:56:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 22:56:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:56:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:56:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:56:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:56:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:56:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:56:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:56:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:56:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:56:39,265 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:56:39,418 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:56:39,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:56:39,673 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:56:39,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:56:39,681 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-06 22:56:39,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:39 BoogieIcfgContainer [2023-11-06 22:56:39,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:56:39,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:56:39,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:56:39,691 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:56:39,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:56:38" (1/3) ... [2023-11-06 22:56:39,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a3401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:39, skipping insertion in model container [2023-11-06 22:56:39,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:56:39" (2/3) ... [2023-11-06 22:56:39,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a3401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:56:39, skipping insertion in model container [2023-11-06 22:56:39,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:39" (3/3) ... [2023-11-06 22:56:39,694 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-06 22:56:39,703 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:56:39,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:56:39,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-06 22:56:39,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a3401e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:56:39, skipping insertion in model container [2023-11-06 22:56:39,717 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:56:39,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:56:39,718 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:56:39,718 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:56:39,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:56:39" (3/3) ... [2023-11-06 22:56:39,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:56:39,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-06 22:56:39,727 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-06 22:56:39,731 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:56:39,732 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:56:39,732 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:56:39,732 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:56:39,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:56:39,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:56:39,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:56:39,784 INFO L158 Benchmark]: Toolchain (without parser) took 1323.46ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 81.3MB in the beginning and 109.3MB in the end (delta: -28.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,785 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:39,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.40ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 60.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.81ms. Allocated memory is still 121.6MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,787 INFO L158 Benchmark]: Boogie Preprocessor took 71.83ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,788 INFO L158 Benchmark]: RCFGBuilder took 549.76ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 114.6MB in the end (delta: -58.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,788 INFO L158 Benchmark]: TraceAbstraction took 29.93ms. Allocated memory is still 155.2MB. Free memory was 113.5MB in the beginning and 112.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:56:39,789 INFO L158 Benchmark]: Witness Printer took 64.48ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:56:39,792 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 121.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.40ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 60.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.81ms. Allocated memory is still 121.6MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.83ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.76ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 114.6MB in the end (delta: -58.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29.93ms. Allocated memory is still 155.2MB. Free memory was 113.5MB in the beginning and 112.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.48ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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! [2023-11-06 22:56:39,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8f95ed-ccf3-4f69-8792-4967025a8e03/bin/uautomizer-verify-WvqO1wxjHP/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