./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/01b_inc-pthread.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_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/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_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/01b_inc-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/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_faac00f4-2c0e-4c45-b306-929729dbbfb6/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 5fad6244fcf6eaf8307cc493ab8f193eacc838ad9166f53316e6259a46f1eed1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:37,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:37,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 21:02:37,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:37,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:37,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:37,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:37,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:37,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:37,482 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:37,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:37,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:37,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:37,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:37,485 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:37,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:37,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:37,487 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:37,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:37,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:37,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:37,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:37,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:37,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:37,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 21:02:37,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:02:37,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:37,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:37,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:37,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:37,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:37,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:37,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:37,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:37,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:37,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:37,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:37,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:37,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:37,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:37,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:37,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:37,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:37,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:37,499 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_faac00f4-2c0e-4c45-b306-929729dbbfb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fad6244fcf6eaf8307cc493ab8f193eacc838ad9166f53316e6259a46f1eed1 [2023-11-21 21:02:37,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:37,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:37,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:37,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:37,873 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:37,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-ext/01b_inc-pthread.i [2023-11-21 21:02:40,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:41,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:41,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/sv-benchmarks/c/pthread-ext/01b_inc-pthread.i [2023-11-21 21:02:41,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/data/a46c365ab/0ea7a8611f144865ac0b5370b7970d1c/FLAG3883b6bb4 [2023-11-21 21:02:41,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/data/a46c365ab/0ea7a8611f144865ac0b5370b7970d1c [2023-11-21 21:02:41,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:41,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:41,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:41,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:41,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:41,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b19d52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41, skipping insertion in model container [2023-11-21 21:02:41,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:41,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:41,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:41,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:41,853 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:41,854 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:41,862 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:41,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41 WrapperNode [2023-11-21 21:02:41,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:41,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:41,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:41,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:41,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,915 INFO L138 Inliner]: procedures = 164, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-21 21:02:41,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:41,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:41,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:41,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:41,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,931 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,942 INFO L187 HeapSplitter]: Split 8 memory accesses to 3 slices as follows [2, 5, 1] [2023-11-21 21:02:41,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:41,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:41,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:41,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:41,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (1/1) ... [2023-11-21 21:02:41,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:41,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:42,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 21:02:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 21:02:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 21:02:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:02:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:02:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 21:02:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:42,082 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 21:02:42,286 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:42,289 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:42,441 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:42,573 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:42,573 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:02:42,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:42 BoogieIcfgContainer [2023-11-21 21:02:42,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:42,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:42,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:42,581 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:42,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:41" (1/3) ... [2023-11-21 21:02:42,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238efa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:42, skipping insertion in model container [2023-11-21 21:02:42,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:41" (2/3) ... [2023-11-21 21:02:42,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238efa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:42, skipping insertion in model container [2023-11-21 21:02:42,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:42" (3/3) ... [2023-11-21 21:02:42,585 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc-pthread.i [2023-11-21 21:02:42,593 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 21:02:42,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:42,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 21:02:42,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238efa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:42, skipping insertion in model container [2023-11-21 21:02:42,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:42,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:42,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:42,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:42,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:42" (3/3) ... [2023-11-21 21:02:42,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:02:42,610 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-21 21:02:42,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 21:02:42,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 21:02:42,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 21:02:42,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:02:42,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:42,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:02:42,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:42,701 INFO L158 Benchmark]: Toolchain (without parser) took 1446.69ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 104.6MB in the end (delta: 39.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,701 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:42,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.86ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 135.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.80ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 133.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,703 INFO L158 Benchmark]: Boogie Preprocessor took 44.69ms. Allocated memory is still 180.4MB. Free memory was 133.0MB in the beginning and 130.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,704 INFO L158 Benchmark]: RCFGBuilder took 613.15ms. Allocated memory is still 180.4MB. Free memory was 130.9MB in the beginning and 111.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,704 INFO L158 Benchmark]: TraceAbstraction took 25.76ms. Allocated memory is still 180.4MB. Free memory was 110.9MB in the beginning and 109.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,705 INFO L158 Benchmark]: Witness Printer took 95.02ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:42,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.86ms. Allocated memory is still 180.4MB. Free memory was 144.2MB in the beginning and 135.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.80ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 133.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.69ms. Allocated memory is still 180.4MB. Free memory was 133.0MB in the beginning and 130.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.15ms. Allocated memory is still 180.4MB. Free memory was 130.9MB in the beginning and 111.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 25.76ms. Allocated memory is still 180.4MB. Free memory was 110.9MB in the beginning and 109.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 95.02ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). 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 21:02:42,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faac00f4-2c0e-4c45-b306-929729dbbfb6/bin/uautomizer-verify-bycVGegfSx/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