./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx --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 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:22,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:22,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:10:22,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:22,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:22,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:22,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:22,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:22,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:10:22,576 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:10:22,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:22,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:22,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:22,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:22,580 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:22,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:22,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:22,582 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:10:22,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:10:22,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:10:22,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:22,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:22,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:22,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:22,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:10:22,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:10:22,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:10:22,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:22,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:22,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:22,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:22,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:10:22,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:22,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:22,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:22,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:22,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:22,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:10:22,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:10:22,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:22,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:22,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:22,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:22,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:22,594 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_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c [2023-11-21 22:10:22,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:22,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:22,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:22,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:22,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:22,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 22:10:26,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:26,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:26,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 22:10:26,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/data/c7987f933/05148093caa1447eafb66226d3d670a5/FLAGb791cb3bd [2023-11-21 22:10:26,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/data/c7987f933/05148093caa1447eafb66226d3d670a5 [2023-11-21 22:10:26,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:26,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:26,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:26,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:26,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:26,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:26" (1/1) ... [2023-11-21 22:10:26,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287db6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:26, skipping insertion in model container [2023-11-21 22:10:26,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:26" (1/1) ... [2023-11-21 22:10:26,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:26,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:26,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:27,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:27,074 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:27,075 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:10:27,083 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:27,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27 WrapperNode [2023-11-21 22:10:27,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:27,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:27,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:27,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:27,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,157 INFO L138 Inliner]: procedures = 178, calls = 41, calls flagged for inlining = 16, calls inlined = 17, statements flattened = 155 [2023-11-21 22:10:27,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:27,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:27,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:27,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:27,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,188 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,209 INFO L187 HeapSplitter]: Split 12 memory accesses to 4 slices as follows [2, 6, 3, 1] [2023-11-21 22:10:27,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:27,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:27,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:27,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:27,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (1/1) ... [2023-11-21 22:10:27,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:27,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:27,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:27,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:10:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:10:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:10:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:10:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 22:10:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 22:10:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:10:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:10:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:10:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:10:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:10:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:10:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:10:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:10:27,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:10:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:10:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:10:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:10:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:27,349 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:10:27,569 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:27,575 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:27,914 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:28,168 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:28,168 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:10:28,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:28 BoogieIcfgContainer [2023-11-21 22:10:28,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:28,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:28,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:28,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:28,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:26" (1/3) ... [2023-11-21 22:10:28,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0fc34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:28, skipping insertion in model container [2023-11-21 22:10:28,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:27" (2/3) ... [2023-11-21 22:10:28,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0fc34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:28, skipping insertion in model container [2023-11-21 22:10:28,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:28" (3/3) ... [2023-11-21 22:10:28,180 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas.i [2023-11-21 22:10:28,188 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:10:28,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:28,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 22:10:28,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0fc34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:28, skipping insertion in model container [2023-11-21 22:10:28,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:28,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:28,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:28,203 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:28,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:28" (3/3) ... [2023-11-21 22:10:28,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:10:28,211 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-21 22:10:28,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 22:10:28,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:10:28,215 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:10:28,216 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 22:10:28,309 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:10:28,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:10:28,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:28,312 INFO L158 Benchmark]: Toolchain (without parser) took 1886.40ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 101.7MB in the end (delta: 25.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,312 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:28,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.10ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 106.2MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.17ms. Allocated memory is still 157.3MB. Free memory was 106.2MB in the beginning and 103.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,317 INFO L158 Benchmark]: Boogie Preprocessor took 93.42ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,319 INFO L158 Benchmark]: RCFGBuilder took 917.37ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 108.8MB in the end (delta: -7.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,320 INFO L158 Benchmark]: TraceAbstraction took 28.93ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 105.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,321 INFO L158 Benchmark]: Witness Printer took 107.89ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 101.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:28,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.10ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 106.2MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.17ms. Allocated memory is still 157.3MB. Free memory was 106.2MB in the beginning and 103.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.42ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 917.37ms. Allocated memory is still 157.3MB. Free memory was 101.1MB in the beginning and 108.8MB in the end (delta: -7.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28.93ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 105.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 107.89ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 101.7MB in the end (delta: 4.1MB). 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! [2023-11-21 22:10:28,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e21ddf93-2fab-4377-a7bf-b81559e97919/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE