./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/01b_inc.i --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_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/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_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/01b_inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/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_17ac46de-7862-476b-bece-41667990f9b4/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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:08,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:08,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:33:08,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:08,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:08,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:08,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:08,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:08,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:08,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:08,609 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:08,610 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:08,610 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:08,611 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:08,611 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:08,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:08,613 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:08,613 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:08,614 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:08,614 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:08,615 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:08,617 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:08,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:08,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:08,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:08,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:08,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:08,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:08,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:08,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:08,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:08,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:33:08,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:08,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:08,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:08,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:08,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:08,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:08,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:08,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:08,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:08,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:08,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:08,626 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:08,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:08,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:08,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:08,627 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:08,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:08,628 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_17ac46de-7862-476b-bece-41667990f9b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 [2023-11-23 20:33:08,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:08,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:08,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:08,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:08,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:08,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-ext/01b_inc.i [2023-11-23 20:33:12,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:12,466 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:12,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/sv-benchmarks/c/pthread-ext/01b_inc.i [2023-11-23 20:33:12,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/data/67c35bde7/ac66d30bdd734db6b50fe43168858936/FLAGf810b4000 [2023-11-23 20:33:12,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/data/67c35bde7/ac66d30bdd734db6b50fe43168858936 [2023-11-23 20:33:12,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:12,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:12,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:12,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:12,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:12,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:12" (1/1) ... [2023-11-23 20:33:12,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334d425e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:12, skipping insertion in model container [2023-11-23 20:33:12,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:12" (1/1) ... [2023-11-23 20:33:12,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:12,764 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:33:12,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:12,943 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:12,977 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:33:13,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:13,067 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:33:13,067 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:33:13,067 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:33:13,076 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:13,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13 WrapperNode [2023-11-23 20:33:13,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:13,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:13,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:13,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:13,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,151 INFO L138 Inliner]: procedures = 173, calls = 21, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 64 [2023-11-23 20:33:13,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:13,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:13,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:13,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:13,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:13,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:13,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:13,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:13,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:13,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:13,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:33:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:33:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:33:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:33:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:33:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:33:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:33:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:13,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:13,331 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 20:33:13,531 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:13,533 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:13,661 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:13,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:13,782 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:13,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:13 BoogieIcfgContainer [2023-11-23 20:33:13,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:13,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:13,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:13,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:13,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:12" (1/3) ... [2023-11-23 20:33:13,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188e95ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:13, skipping insertion in model container [2023-11-23 20:33:13,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (2/3) ... [2023-11-23 20:33:13,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188e95ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:13, skipping insertion in model container [2023-11-23 20:33:13,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:13" (3/3) ... [2023-11-23 20:33:13,792 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2023-11-23 20:33:13,800 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:33:13,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:13,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 20:33:13,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188e95ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:13, skipping insertion in model container [2023-11-23 20:33:13,813 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:13,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:13,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:13,814 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:13,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:13" (3/3) ... [2023-11-23 20:33:13,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:33:13,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-23 20:33:13,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 20:33:13,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:33:13,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:33:13,825 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:33:13,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:33:13,899 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:33:13,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:13,901 INFO L158 Benchmark]: Toolchain (without parser) took 1398.16ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 105.0MB in the end (delta: 18.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,902 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:13,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.50ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 103.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.34ms. Allocated memory is still 157.3MB. Free memory was 103.3MB in the beginning and 101.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,904 INFO L158 Benchmark]: Boogie Preprocessor took 53.40ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,904 INFO L158 Benchmark]: RCFGBuilder took 576.81ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 111.3MB in the end (delta: -11.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,905 INFO L158 Benchmark]: TraceAbstraction took 27.88ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,906 INFO L158 Benchmark]: Witness Printer took 85.46ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 105.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,909 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 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.50ms. Allocated memory is still 157.3MB. Free memory was 123.7MB in the beginning and 103.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.34ms. Allocated memory is still 157.3MB. Free memory was 103.3MB in the beginning and 101.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.40ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.81ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 111.3MB in the end (delta: -11.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 27.88ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 108.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 85.46ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 105.0MB 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! [2023-11-23 20:33:13,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17ac46de-7862-476b-bece-41667990f9b4/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