./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.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_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91 --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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:11,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:11,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-25 00:08:11,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:11,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:11,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:11,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:11,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:11,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:11,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:11,395 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:11,395 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:11,396 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:11,397 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:11,397 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:11,398 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:11,398 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:11,399 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:11,400 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:11,400 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:11,401 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:11,402 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:11,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:11,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:11,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:11,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:11,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:11,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:11,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:11,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:11,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:11,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:08:11,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:08:11,408 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:11,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:11,409 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:11,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:11,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:11,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:11,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:11,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:11,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:11,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:11,413 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:11,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:11,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:11,414 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:11,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:11,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:11,415 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_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2023-11-25 00:08:11,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:11,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:11,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:11,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:11,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-25 00:08:15,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:16,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:16,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/sv-benchmarks/c/ldv-races/race-1_2-join.i [2023-11-25 00:08:16,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/data/3a042f06d/66d946ed444b41f29f05ab86ebe40dca/FLAG19b3b31ab [2023-11-25 00:08:16,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/data/3a042f06d/66d946ed444b41f29f05ab86ebe40dca [2023-11-25 00:08:16,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:16,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:16,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:16,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:16,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:16,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:16" (1/1) ... [2023-11-25 00:08:16,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b933fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:16, skipping insertion in model container [2023-11-25 00:08:16,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:16" (1/1) ... [2023-11-25 00:08:16,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:17,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:17,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:17,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:17,725 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:17,729 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:08:17,739 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:17,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17 WrapperNode [2023-11-25 00:08:17,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:17,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:17,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:17,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:17,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,865 INFO L138 Inliner]: procedures = 483, calls = 35, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 101 [2023-11-25 00:08:17,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:17,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:17,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:17,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:17,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:17,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:17,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:17,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:17,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (1/1) ... [2023-11-25 00:08:17,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:17,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:18,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:18,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:08:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:08:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:08:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:08:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-25 00:08:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:08:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:08:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-25 00:08:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:08:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:08:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:08:18,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:18,085 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:08:18,594 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:18,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:18,908 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:19,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:19,131 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:08:19,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:19 BoogieIcfgContainer [2023-11-25 00:08:19,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:19,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:19,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:19,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:19,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:16" (1/3) ... [2023-11-25 00:08:19,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:19, skipping insertion in model container [2023-11-25 00:08:19,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:17" (2/3) ... [2023-11-25 00:08:19,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:19, skipping insertion in model container [2023-11-25 00:08:19,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:19" (3/3) ... [2023-11-25 00:08:19,144 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2023-11-25 00:08:19,154 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:08:19,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:19,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-25 00:08:19,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3938994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:08:19, skipping insertion in model container [2023-11-25 00:08:19,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:08:19,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:08:19,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:08:19,168 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:08:19,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:19" (3/3) ... [2023-11-25 00:08:19,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:08:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-25 00:08:19,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2023-11-25 00:08:19,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-25 00:08:19,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-25 00:08:19,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-25 00:08:19,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:08:19,307 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:08:19,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:08:19,317 INFO L158 Benchmark]: Toolchain (without parser) took 3074.16ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 78.0MB in the end (delta: 54.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,318 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:19,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1503.79ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 129.0MB in the end (delta: 3.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.03ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 126.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,319 INFO L158 Benchmark]: Boogie Preprocessor took 61.64ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 123.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,320 INFO L158 Benchmark]: RCFGBuilder took 1183.69ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 85.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,320 INFO L158 Benchmark]: TraceAbstraction took 31.18ms. Allocated memory is still 165.7MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,320 INFO L158 Benchmark]: Witness Printer took 140.40ms. Allocated memory is still 165.7MB. Free memory was 82.9MB in the beginning and 78.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:19,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1503.79ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 129.0MB in the end (delta: 3.0MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.03ms. Allocated memory is still 165.7MB. Free memory was 129.0MB in the beginning and 126.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.64ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 123.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.69ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 85.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31.18ms. Allocated memory is still 165.7MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 140.40ms. Allocated memory is still 165.7MB. Free memory was 82.9MB in the beginning and 78.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-25 00:08:19,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2c61e84-8e4f-42c2-96c5-ee2a588cd7f5/bin/utaipan-verify-SwPr7d2a91/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