./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:34,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:34,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 01:03:34,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:34,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:34,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:34,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:34,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:34,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:34,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:34,499 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:34,500 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:34,500 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:34,505 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:03:34,506 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:34,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:34,507 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:03:34,509 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:03:34,509 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:34,510 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:03:34,510 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:03:34,511 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:03:34,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:34,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:34,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:03:34,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:03:34,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:03:34,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:34,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:34,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:34,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:34,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:03:34,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:03:34,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:03:34,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:34,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:34,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:34,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:34,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:34,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:34,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:34,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:34,518 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:03:34,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:03:34,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:34,519 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:34,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:34,519 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_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2023-11-12 01:03:34,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:34,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:34,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:34,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:34,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:34,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-12 01:03:37,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:38,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:38,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/sv-benchmarks/c/pthread-atomic/szymanski.i [2023-11-12 01:03:38,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/data/9fb7d6f5b/827e88bb6e764c228a59a56ebed90117/FLAG72460df3b [2023-11-12 01:03:38,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/data/9fb7d6f5b/827e88bb6e764c228a59a56ebed90117 [2023-11-12 01:03:38,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:38,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:38,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:38,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:38,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:38,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:38,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a20e66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38, skipping insertion in model container [2023-11-12 01:03:38,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:38,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:03:38,590 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 01:03:38,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:38,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:03:38,871 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 01:03:38,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:38,956 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:03:38,956 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:03:38,956 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:03:38,964 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:03:38,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38 WrapperNode [2023-11-12 01:03:38,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:38,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:38,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:03:38,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:03:38,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:38,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,020 INFO L138 Inliner]: procedures = 171, calls = 77, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 179 [2023-11-12 01:03:39,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:39,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:03:39,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:03:39,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:03:39,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:03:39,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:03:39,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:03:39,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:03:39,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (1/1) ... [2023-11-12 01:03:39,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:03:39,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:03:39,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:03:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:03:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 01:03:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 01:03:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 01:03:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 01:03:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:03:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 01:03:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:03:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:03:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:03:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:03:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 01:03:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:03:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:03:39,129 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 01:03:39,265 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:03:39,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:39,475 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:39,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:39,483 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 01:03:39,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:39 BoogieIcfgContainer [2023-11-12 01:03:39,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:39,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:39,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:39,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:39,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:03:38" (1/3) ... [2023-11-12 01:03:39,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23564771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:39, skipping insertion in model container [2023-11-12 01:03:39,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:38" (2/3) ... [2023-11-12 01:03:39,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23564771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:39, skipping insertion in model container [2023-11-12 01:03:39,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:39" (3/3) ... [2023-11-12 01:03:39,497 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2023-11-12 01:03:39,507 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 01:03:39,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:39,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-12 01:03:39,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23564771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:39, skipping insertion in model container [2023-11-12 01:03:39,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:39,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:39,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:39,522 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:39,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:39" (3/3) ... [2023-11-12 01:03:39,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:03:39,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-12 01:03:39,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-12 01:03:39,534 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 01:03:39,534 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 01:03:39,535 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 01:03:39,535 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:03:39,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:03:39,617 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:03:39,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:39,619 INFO L158 Benchmark]: Toolchain (without parser) took 1282.72ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 60.5MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,620 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:39,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.68ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 86.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,623 INFO L158 Benchmark]: Boogie Preprocessor took 31.76ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,625 INFO L158 Benchmark]: RCFGBuilder took 432.27ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 67.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,630 INFO L158 Benchmark]: TraceAbstraction took 31.75ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 64.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,632 INFO L158 Benchmark]: Witness Printer took 95.72ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 60.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:39,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.68ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 86.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.76ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.27ms. Allocated memory is still 142.6MB. Free memory was 82.1MB in the beginning and 67.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31.75ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 64.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 95.72ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 60.5MB in the end (delta: 3.9MB). 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! [2023-11-12 01:03:39,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f33e5d2-858d-4160-b6ac-b3d7614f8155/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE