./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme --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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:56,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:57,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:59:57,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:57,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:57,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:57,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:57,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:57,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:57,149 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:57,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:57,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:57,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:57,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:57,166 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:57,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:57,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:57,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:57,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:57,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:57,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:57,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:57,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:57,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:57,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:59:57,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:57,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:57,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:57,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:57,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:57,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:57,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:57,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:57,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:57,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:57,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:57,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:57,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:57,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:57,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:57,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:57,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:57,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:57,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:57,180 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_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-26 11:59:57,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:57,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:57,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:57,521 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:57,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:57,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-26 12:00:00,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:00,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:00,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-26 12:00:00,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/data/59aac9d7a/b36d440e75f14663b3c081d7a19b5c6f/FLAG1eac34aa2 [2023-11-26 12:00:01,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/data/59aac9d7a/b36d440e75f14663b3c081d7a19b5c6f [2023-11-26 12:00:01,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:01,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:01,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:01,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:01,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:01,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30777ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01, skipping insertion in model container [2023-11-26 12:00:01,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:01,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:01,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,941 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,941 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:01,950 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:01,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01 WrapperNode [2023-11-26 12:00:01,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:01,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:01,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:01,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:01,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,011 INFO L138 Inliner]: procedures = 324, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-26 12:00:02,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:02,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:02,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:02,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:02,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,071 INFO L175 MemorySlicer]: Split 18 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 4, 2]. 22 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 2, 1]. [2023-11-26 12:00:02,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:02,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:02,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:02,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:02,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:02,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:02,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:02,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:00:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:00:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:00:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:00:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:00:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:00:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:00:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:00:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:00:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:00:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-26 12:00:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-26 12:00:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:00:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:00:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:00:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:00:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 12:00:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 12:00:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:00:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:00:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:00:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:00:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:00:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:00:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:00:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:00:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:00:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:00:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:00:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:00:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:02,232 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:00:02,500 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:02,503 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:02,805 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:03,071 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:03,073 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:00:03,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:03 BoogieIcfgContainer [2023-11-26 12:00:03,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:03,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:03,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:03,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:03,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:01" (1/3) ... [2023-11-26 12:00:03,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:03, skipping insertion in model container [2023-11-26 12:00:03,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (2/3) ... [2023-11-26 12:00:03,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:03, skipping insertion in model container [2023-11-26 12:00:03,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:03" (3/3) ... [2023-11-26 12:00:03,087 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-26 12:00:03,096 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:00:03,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:03,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 12:00:03,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469e114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:03, skipping insertion in model container [2023-11-26 12:00:03,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:03,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:03,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:03,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:03,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:03" (3/3) ... [2023-11-26 12:00:03,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:00:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-26 12:00:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 12:00:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 12:00:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 12:00:03,129 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-26 12:00:03,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-26 12:00:03,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 12:00:03,131 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 12:00:03,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:00:03,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:00:03,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:03,230 INFO L158 Benchmark]: Toolchain (without parser) took 2222.68ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 112.5MB in the end (delta: 31.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,231 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:03,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.10ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 113.2MB in the end (delta: 31.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.44ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,232 INFO L158 Benchmark]: Boogie Preprocessor took 118.58ms. Allocated memory is still 176.2MB. Free memory was 111.1MB in the beginning and 108.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,233 INFO L158 Benchmark]: RCFGBuilder took 941.91ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 119.9MB in the end (delta: -11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,233 INFO L158 Benchmark]: TraceAbstraction took 33.34ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 116.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,234 INFO L158 Benchmark]: Witness Printer took 116.22ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 112.5MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,237 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 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.10ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 113.2MB in the end (delta: 31.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.44ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.58ms. Allocated memory is still 176.2MB. Free memory was 111.1MB in the beginning and 108.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 941.91ms. Allocated memory is still 176.2MB. Free memory was 108.3MB in the beginning and 119.9MB in the end (delta: -11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33.34ms. Allocated memory is still 176.2MB. Free memory was 118.8MB in the beginning and 116.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 116.22ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 112.5MB 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! [2023-11-26 12:00:03,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c93df722-8edf-48be-b6c2-f11eb01dc3d4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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