./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker.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_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya --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 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:07:39,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:07:39,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 01:07:39,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:07:39,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:07:39,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:07:39,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:07:39,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:07:39,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:07:39,249 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:07:39,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:07:39,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:07:39,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:07:39,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:07:39,252 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:07:39,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:07:39,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:07:39,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:07:39,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:07:39,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:07:39,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:07:39,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:07:39,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:07:39,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:07:39,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 01:07:39,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:07:39,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:07:39,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:07:39,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:07:39,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:07:39,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:07:39,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:07:39,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:07:39,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:07:39,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:07:39,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:07:39,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:07:39,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:07:39,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:07:39,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:07:39,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:07:39,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:07:39,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:07:39,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:07:39,268 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_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2023-11-29 01:07:39,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:07:39,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:07:39,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:07:39,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:07:39,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:07:39,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-29 01:07:42,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:07:42,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:07:42,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-29 01:07:42,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/data/b14ff1bd4/484863c74b8b4323b4f5b4dde1f7145c/FLAGabdcd48c5 [2023-11-29 01:07:42,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/data/b14ff1bd4/484863c74b8b4323b4f5b4dde1f7145c [2023-11-29 01:07:42,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:07:42,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:07:42,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:07:42,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:07:42,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:07:42,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:07:42" (1/1) ... [2023-11-29 01:07:42,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9d1705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:42, skipping insertion in model container [2023-11-29 01:07:42,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:07:42" (1/1) ... [2023-11-29 01:07:42,829 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:07:43,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:07:43,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:07:43,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:07:43,242 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:07:43,243 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:07:43,251 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:07:43,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43 WrapperNode [2023-11-29 01:07:43,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:07:43,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:07:43,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:07:43,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:07:43,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,305 INFO L138 Inliner]: procedures = 171, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-11-29 01:07:43,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:07:43,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:07:43,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:07:43,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:07:43,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,339 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]. [2023-11-29 01:07:43,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:07:43,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:07:43,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:07:43,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:07:43,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (1/1) ... [2023-11-29 01:07:43,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:07:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:07:43,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:07:43,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:07:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:07:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:07:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:07:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-29 01:07:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-29 01:07:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 01:07:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 01:07:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:07:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:07:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:07:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 01:07:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:07:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:07:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:07:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:07:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:07:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:07:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 01:07:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:07:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:07:43,440 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:07:43,570 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:07:43,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:07:43,736 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:07:43,877 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:07:43,877 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 01:07:43,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:07:43 BoogieIcfgContainer [2023-11-29 01:07:43,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:07:43,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:07:43,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:07:43,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:07:43,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:07:42" (1/3) ... [2023-11-29 01:07:43,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a963a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:07:43, skipping insertion in model container [2023-11-29 01:07:43,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:07:43" (2/3) ... [2023-11-29 01:07:43,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a963a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:07:43, skipping insertion in model container [2023-11-29 01:07:43,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:07:43" (3/3) ... [2023-11-29 01:07:43,888 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2023-11-29 01:07:43,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:07:43,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:07:43,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 01:07:43,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a963a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:07:43, skipping insertion in model container [2023-11-29 01:07:43,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:07:43,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:07:43,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:07:43,912 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:07:43,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:07:43" (3/3) ... [2023-11-29 01:07:43,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:07:43,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-29 01:07:43,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-29 01:07:43,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-11-29 01:07:43,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-29 01:07:43,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 01:07:43,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 01:07:44,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:07:44,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:07:44,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:07:44,007 INFO L158 Benchmark]: Toolchain (without parser) took 1237.32ms. Allocated memory is still 180.4MB. Free memory was 144.9MB in the beginning and 138.3MB in the end (delta: 6.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,007 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:07:44,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.47ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 124.5MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.57ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 121.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,009 INFO L158 Benchmark]: Boogie Preprocessor took 57.74ms. Allocated memory is still 180.4MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,010 INFO L158 Benchmark]: RCFGBuilder took 513.20ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 145.6MB in the end (delta: -25.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,010 INFO L158 Benchmark]: TraceAbstraction took 30.43ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,011 INFO L158 Benchmark]: Witness Printer took 93.60ms. Allocated memory is still 180.4MB. Free memory was 142.5MB in the beginning and 138.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:07:44,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.47ms. Allocated memory is still 180.4MB. Free memory was 144.4MB in the beginning and 124.5MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.57ms. Allocated memory is still 180.4MB. Free memory was 124.5MB in the beginning and 121.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.74ms. Allocated memory is still 180.4MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.20ms. Allocated memory is still 180.4MB. Free memory was 119.8MB in the beginning and 145.6MB in the end (delta: -25.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 30.43ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 93.60ms. Allocated memory is still 180.4MB. Free memory was 142.5MB in the beginning and 138.3MB 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! [2023-11-29 01:07:44,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01e6a747-e875-4c43-92d5-7c8fc3fc6e75/bin/uautomizer-verify-BQ2R08f2Ya/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