./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --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_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:14,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:14,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:18:14,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:14,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:14,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:14,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:14,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:14,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:14,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:14,427 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:14,428 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:14,428 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:14,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:14,430 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:14,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:14,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:14,432 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:14,432 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:14,433 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:14,433 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:14,434 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:14,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:14,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:14,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:14,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:14,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:14,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:14,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:14,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:14,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:14,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:18:14,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:18:14,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:14,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:14,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:14,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:14,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:14,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:14,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:14,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:14,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:14,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:14,443 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:14,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:14,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:14,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:14,445 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:14,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:14,445 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f450f56f6a40f7cfc1a45cb9347f1cca7ce4a1ac8bd0b5be45149fc02486ed [2023-11-23 21:18:14,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:14,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:14,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:14,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:14,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:14,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-23 21:18:18,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:18,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:18,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2023-11-23 21:18:18,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/data/264c44cd3/554a6157e2694b259b739ea6122d70d5/FLAG09a9d934f [2023-11-23 21:18:18,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/data/264c44cd3/554a6157e2694b259b739ea6122d70d5 [2023-11-23 21:18:18,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:18,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:18,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:18,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:18,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:18,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2eb660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18, skipping insertion in model container [2023-11-23 21:18:18,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:18,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:18,809 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:18,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:18,872 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:18,872 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:18:18,882 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:18,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18 WrapperNode [2023-11-23 21:18:18,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:18,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:18,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:18,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:18,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,959 INFO L138 Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-23 21:18:18,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:18,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:18,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:18,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:18,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:18,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:19,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:19,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:19,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:19,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (1/1) ... [2023-11-23 21:18:19,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:19,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:19,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:19,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:18:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:18:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 21:18:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 21:18:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 21:18:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 21:18:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:18:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:18:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:19,137 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:18:19,286 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:19,288 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:19,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:19,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:19,788 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:18:19,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19 BoogieIcfgContainer [2023-11-23 21:18:19,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:19,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:19,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:19,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:19,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:18" (1/3) ... [2023-11-23 21:18:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536d1a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:19, skipping insertion in model container [2023-11-23 21:18:19,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:18" (2/3) ... [2023-11-23 21:18:19,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536d1a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:19, skipping insertion in model container [2023-11-23 21:18:19,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19" (3/3) ... [2023-11-23 21:18:19,802 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-11-23 21:18:19,813 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:18:19,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:19,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 21:18:19,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@536d1a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:19, skipping insertion in model container [2023-11-23 21:18:19,830 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:19,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:19,831 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:19,832 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:19,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19" (3/3) ... [2023-11-23 21:18:19,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:19,842 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 21:18:19,842 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 21:18:19,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-23 21:18:19,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2023-11-23 21:18:19,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-23 21:18:19,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:18:19,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:18:19,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:19,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:19,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:19,996 INFO L158 Benchmark]: Toolchain (without parser) took 1533.13ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 78.9MB in the end (delta: 25.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:19,997 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:19,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.68ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 93.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:18:19,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.50ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 91.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:19,998 INFO L158 Benchmark]: Boogie Preprocessor took 62.90ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 90.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:19,999 INFO L158 Benchmark]: RCFGBuilder took 765.80ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 86.4MB in the end (delta: 3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,000 INFO L158 Benchmark]: TraceAbstraction took 36.32ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,000 INFO L158 Benchmark]: Witness Printer took 163.28ms. Allocated memory is still 140.5MB. Free memory was 83.7MB in the beginning and 78.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.68ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 93.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.50ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 91.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.90ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 90.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.80ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 86.4MB in the end (delta: 3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 36.32ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 163.28ms. Allocated memory is still 140.5MB. Free memory was 83.7MB in the beginning and 78.9MB in the end (delta: 4.8MB). 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 21:18:20,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62db0b9b-606c-46cd-b54d-d83ca0d418d6/bin/utaipan-verify-mE87zJ7Ire/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