./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5 --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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:41:47,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:41:47,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-21 19:41:47,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:41:47,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:41:47,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:41:47,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:41:47,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:41:47,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:41:47,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:41:47,687 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:41:47,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:41:47,688 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:41:47,690 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:41:47,691 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:41:47,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:41:47,691 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:41:47,692 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:41:47,692 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:41:47,693 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:41:47,693 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:41:47,694 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:41:47,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:41:47,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:41:47,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:41:47,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:41:47,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:41:47,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:41:47,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:41:47,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:41:47,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:41:47,700 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:41:47,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:41:47,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:41:47,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:41:47,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:41:47,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:41:47,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:41:47,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:41:47,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:47,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:41:47,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:41:47,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:41:47,703 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:41:47,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:41:47,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:41:47,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:41:47,705 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:41:47,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:41:47,705 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_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2023-11-21 19:41:48,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:41:48,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:41:48,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:41:48,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:41:48,075 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:41:48,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-21 19:41:51,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:41:51,513 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:41:51,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2023-11-21 19:41:51,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/data/24ebe94b1/083c23b27f4e4a0db40d829c69acc9c7/FLAG562528923 [2023-11-21 19:41:51,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/data/24ebe94b1/083c23b27f4e4a0db40d829c69acc9c7 [2023-11-21 19:41:51,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:41:51,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:41:51,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:51,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:41:51,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:41:51,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:51" (1/1) ... [2023-11-21 19:41:51,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f1085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:51, skipping insertion in model container [2023-11-21 19:41:51,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:51" (1/1) ... [2023-11-21 19:41:51,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:41:52,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:52,072 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:41:52,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:52,159 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:41:52,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52 WrapperNode [2023-11-21 19:41:52,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:52,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:52,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:41:52,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:41:52,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,211 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 105 [2023-11-21 19:41:52,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:52,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:41:52,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:41:52,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:41:52,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:41:52,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:41:52,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:41:52,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:41:52,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (1/1) ... [2023-11-21 19:41:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:52,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:41:52,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:41:52,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:41:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2023-11-21 19:41:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2023-11-21 19:41:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:41:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2023-11-21 19:41:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2023-11-21 19:41:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:41:52,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 19:41:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:41:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:41:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:41:52,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:41:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 19:41:52,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:41:52,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:41:52,329 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:41:52,467 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:41:52,469 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:41:52,727 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:41:52,979 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:41:52,979 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:41:52,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:52 BoogieIcfgContainer [2023-11-21 19:41:52,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:41:52,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:41:52,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:41:52,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:41:52,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:41:51" (1/3) ... [2023-11-21 19:41:52,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1568fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:52, skipping insertion in model container [2023-11-21 19:41:52,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:52" (2/3) ... [2023-11-21 19:41:52,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1568fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:52, skipping insertion in model container [2023-11-21 19:41:52,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:52" (3/3) ... [2023-11-21 19:41:52,991 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2023-11-21 19:41:53,000 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:41:53,013 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:41:53,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 19:41:53,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1568fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:41:53, skipping insertion in model container [2023-11-21 19:41:53,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:41:53,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:41:53,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:41:53,017 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:41:53,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:52" (3/3) ... [2023-11-21 19:41:53,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:41:53,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2023-11-21 19:41:53,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2023-11-21 19:41:53,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2023-11-21 19:41:53,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-21 19:41:53,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 19:41:53,029 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:41:53,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:41:53,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:41:53,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:41:53,147 INFO L158 Benchmark]: Toolchain (without parser) took 1581.47ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 63.6MB in the end (delta: 66.4MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,148 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:41:53,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 109.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.83ms. Allocated memory is still 169.9MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,150 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 105.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,150 INFO L158 Benchmark]: RCFGBuilder took 736.35ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 70.6MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,151 INFO L158 Benchmark]: TraceAbstraction took 31.96ms. Allocated memory is still 169.9MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,151 INFO L158 Benchmark]: Witness Printer took 129.57ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:41:53,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 109.8MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.83ms. Allocated memory is still 169.9MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 105.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 736.35ms. Allocated memory is still 169.9MB. Free memory was 105.6MB in the beginning and 70.6MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31.96ms. Allocated memory is still 169.9MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 129.57ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-21 19:41:53,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1580036-896e-41a5-826c-1778f273fbbb/bin/utaipan-verify-QoSU8krkJ5/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