./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ --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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:40:40,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:40:40,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 21:40:40,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:40:40,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:40:40,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:40:40,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:40:40,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:40:40,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:40:40,947 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:40:40,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:40:40,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:40:40,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:40:40,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:40:40,953 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:40:40,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:40:40,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:40:40,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:40:40,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:40:40,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:40:40,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:40:40,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:40:40,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:40:40,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:40:40,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:40:40,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:40:40,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:40:40,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:40:40,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:40:40,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:40:40,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:40:40,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:40:40,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:40:40,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:40,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:40:40,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:40:40,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:40:40,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:40:40,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:40:40,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:40:40,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:40:40,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:40:40,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:40:40,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:40:40,968 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_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2023-11-23 21:40:41,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:40:41,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:40:41,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:40:41,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:40:41,357 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:40:41,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-23 21:40:44,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:40:44,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:40:44,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-23 21:40:44,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/data/fa21ace3d/b2052cb54f8a4d6ba9a4c36dce37c914/FLAG502dfe61c [2023-11-23 21:40:44,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/data/fa21ace3d/b2052cb54f8a4d6ba9a4c36dce37c914 [2023-11-23 21:40:44,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:40:44,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:40:44,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:44,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:40:44,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:40:44,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:44" (1/1) ... [2023-11-23 21:40:44,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a65d5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:44, skipping insertion in model container [2023-11-23 21:40:44,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:44" (1/1) ... [2023-11-23 21:40:44,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:40:45,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:45,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:40:45,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:45,490 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:40:45,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45 WrapperNode [2023-11-23 21:40:45,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:45,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:45,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:40:45,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:40:45,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,542 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2023-11-23 21:40:45,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:45,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:40:45,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:40:45,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:40:45,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,559 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,573 INFO L189 HeapSplitter]: Split 16 memory accesses to 5 slices as follows [2, 5, 5, 2, 2] [2023-11-23 21:40:45,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:40:45,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:40:45,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:40:45,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:40:45,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (1/1) ... [2023-11-23 21:40:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:45,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:40:45,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:40:45,656 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2023-11-23 21:40:45,656 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 21:40:45,657 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2023-11-23 21:40:45,657 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2023-11-23 21:40:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:40:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:40:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:40:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:40:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 21:40:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:40:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:40:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:40:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:40:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:40:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:40:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:40:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 21:40:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 21:40:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:40:45,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:40:45,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:40:45,663 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:40:45,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:40:45,832 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:40:46,052 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:40:46,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:40:46,265 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:40:46,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:46 BoogieIcfgContainer [2023-11-23 21:40:46,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:40:46,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:40:46,269 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:40:46,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:40:46,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:40:44" (1/3) ... [2023-11-23 21:40:46,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95e3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:40:46, skipping insertion in model container [2023-11-23 21:40:46,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:45" (2/3) ... [2023-11-23 21:40:46,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95e3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:40:46, skipping insertion in model container [2023-11-23 21:40:46,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:46" (3/3) ... [2023-11-23 21:40:46,275 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2023-11-23 21:40:46,283 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:40:46,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:40:46,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:40:46,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95e3998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:40:46, skipping insertion in model container [2023-11-23 21:40:46,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:40:46,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:40:46,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:40:46,297 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:40:46,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:46" (3/3) ... [2023-11-23 21:40:46,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:40:46,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2023-11-23 21:40:46,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2023-11-23 21:40:46,311 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2023-11-23 21:40:46,312 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-23 21:40:46,312 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:40:46,312 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:40:46,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:40:46,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:40:46,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:40:46,423 INFO L158 Benchmark]: Toolchain (without parser) took 1637.49ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.2MB in the beginning and 94.6MB in the end (delta: -12.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,424 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:40:46,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.90ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.2MB in the beginning and 141.6MB in the end (delta: -59.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 178.3MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,430 INFO L158 Benchmark]: Boogie Preprocessor took 49.56ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 136.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,431 INFO L158 Benchmark]: RCFGBuilder took 671.85ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 102.0MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,431 INFO L158 Benchmark]: TraceAbstraction took 27.43ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,431 INFO L158 Benchmark]: Witness Printer took 125.11ms. Allocated memory is still 178.3MB. Free memory was 98.7MB in the beginning and 94.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:40:46,433 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 142.6MB. Free memory was 106.9MB in the beginning and 106.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.90ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 82.2MB in the beginning and 141.6MB in the end (delta: -59.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 178.3MB. Free memory was 141.6MB in the beginning and 139.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.56ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 136.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 671.85ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 102.0MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 27.43ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 125.11ms. Allocated memory is still 178.3MB. Free memory was 98.7MB in the beginning and 94.6MB 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! [2023-11-23 21:40:46,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8323c47c-11b0-4c51-ae1b-7b83f86b0312/bin/uautomizer-verify-zZY32mL2XJ/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