./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/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_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/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_56989544-b298-40e0-951a-9bd83851357d/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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:07,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:07,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:47:07,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:07,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:07,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:07,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:07,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:07,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:07,909 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:07,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:07,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:07,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:07,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:07,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:07,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:07,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:07,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:07,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:07,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:07,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:07,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:07,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:07,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:07,919 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:47:07,919 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:47:07,920 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:07,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:07,921 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:07,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:07,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:07,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:07,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:07,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:07,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:07,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:07,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:07,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:07,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:07,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:07,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:07,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:07,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:07,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:07,925 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_56989544-b298-40e0-951a-9bd83851357d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-26 10:47:08,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:08,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:08,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:08,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:08,276 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:08,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-26 10:47:11,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:11,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:11,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-26 10:47:11,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/data/7d086c394/3a2700e67ece4e2e9cf7f5958349a5fa/FLAG3e3767a74 [2023-11-26 10:47:11,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/data/7d086c394/3a2700e67ece4e2e9cf7f5958349a5fa [2023-11-26 10:47:11,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:11,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:11,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:11,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:11,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:11,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:11" (1/1) ... [2023-11-26 10:47:11,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56de0d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:11, skipping insertion in model container [2023-11-26 10:47:11,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:11" (1/1) ... [2023-11-26 10:47:11,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:12,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:12,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:12,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:12,486 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:12,486 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:12,495 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:12,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12 WrapperNode [2023-11-26 10:47:12,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:12,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:12,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:12,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:12,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,570 INFO L138 Inliner]: procedures = 170, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2023-11-26 10:47:12,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:12,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:12,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:12,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:12,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,622 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2023-11-26 10:47:12,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:12,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:12,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:12,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:12,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (1/1) ... [2023-11-26 10:47:12,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:12,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:12,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:47:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:47:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:47:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-26 10:47:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-26 10:47:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-26 10:47:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-26 10:47:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:47:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:47:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:47:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:47:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:47:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:47:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:12,768 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 10:47:13,001 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:13,004 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:13,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:13,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:13,348 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-26 10:47:13,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:13 BoogieIcfgContainer [2023-11-26 10:47:13,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:13,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:13,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:13,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:13,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:11" (1/3) ... [2023-11-26 10:47:13,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6445c3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:13, skipping insertion in model container [2023-11-26 10:47:13,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:12" (2/3) ... [2023-11-26 10:47:13,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6445c3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:13, skipping insertion in model container [2023-11-26 10:47:13,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:13" (3/3) ... [2023-11-26 10:47:13,366 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-26 10:47:13,376 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:47:13,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:13,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 10:47:13,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6445c3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:13, skipping insertion in model container [2023-11-26 10:47:13,392 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:13,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:13,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:13,394 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:13,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:13" (3/3) ... [2023-11-26 10:47:13,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:47:13,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-26 10:47:13,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-26 10:47:13,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-26 10:47:13,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-26 10:47:13,413 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 10:47:13,413 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:47:13,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:47:13,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:47:13,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:13,541 INFO L158 Benchmark]: Toolchain (without parser) took 1681.90ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 84.2MB in the beginning and 128.8MB in the end (delta: -44.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,542 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 100.7MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:13,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.43ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 63.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.25ms. Allocated memory is still 132.1MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,548 INFO L158 Benchmark]: Boogie Preprocessor took 105.65ms. Allocated memory is still 132.1MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,549 INFO L158 Benchmark]: RCFGBuilder took 671.65ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 58.2MB in the beginning and 136.2MB in the end (delta: -78.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,550 INFO L158 Benchmark]: TraceAbstraction took 36.23ms. Allocated memory is still 182.5MB. Free memory was 136.2MB in the beginning and 134.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,551 INFO L158 Benchmark]: Witness Printer took 145.66ms. Allocated memory is still 182.5MB. Free memory was 134.0MB in the beginning and 128.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:13,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 100.7MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.43ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 63.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.25ms. Allocated memory is still 132.1MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.65ms. Allocated memory is still 132.1MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 671.65ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 58.2MB in the beginning and 136.2MB in the end (delta: -78.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36.23ms. Allocated memory is still 182.5MB. Free memory was 136.2MB in the beginning and 134.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 145.66ms. Allocated memory is still 182.5MB. Free memory was 134.0MB in the beginning and 128.8MB in the end (delta: 5.2MB). 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! [2023-11-26 10:47:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56989544-b298-40e0-951a-9bd83851357d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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