./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/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_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/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_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:08,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:08,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:34:08,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:08,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:08,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:08,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:08,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:08,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:08,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:08,706 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:08,707 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:08,708 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:08,710 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:08,710 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:08,711 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:08,711 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:08,712 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:08,712 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:08,713 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:08,713 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:08,714 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:08,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:08,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:08,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:08,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:08,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:08,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:08,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:08,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:08,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:08,720 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:34:08,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:34:08,721 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:08,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:08,722 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:08,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:08,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:08,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:08,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:08,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:08,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:08,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:08,724 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:08,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:08,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:08,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:08,726 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:08,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:08,726 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_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2023-11-23 20:34:09,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:09,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:09,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:09,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:09,117 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:09,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-23 20:34:12,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:12,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:12,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-23 20:34:12,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/data/d2b95cd96/ca4697661fdc4009830eb65cd427c49b/FLAGd6e6da888 [2023-11-23 20:34:12,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/data/d2b95cd96/ca4697661fdc4009830eb65cd427c49b [2023-11-23 20:34:12,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:12,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:12,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:12,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:12,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:12,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fd97b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12, skipping insertion in model container [2023-11-23 20:34:12,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:12,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:12,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:12,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:12,789 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:12,790 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:34:12,798 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:12,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12 WrapperNode [2023-11-23 20:34:12,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:12,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:12,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:12,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:12,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,837 INFO L138 Inliner]: procedures = 22, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-23 20:34:12,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:12,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:12,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:12,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:12,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:12,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:12,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:12,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:12,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (1/1) ... [2023-11-23 20:34:12,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:12,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:12,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:34:12,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:34:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:34:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:34:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:34:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:34:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:34:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:34:12,951 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 20:34:13,061 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:13,064 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:13,307 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:13,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:13,572 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:34:13,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:13 BoogieIcfgContainer [2023-11-23 20:34:13,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:13,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:13,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:13,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:13,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:12" (1/3) ... [2023-11-23 20:34:13,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133dfb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:13, skipping insertion in model container [2023-11-23 20:34:13,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:12" (2/3) ... [2023-11-23 20:34:13,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133dfb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:13, skipping insertion in model container [2023-11-23 20:34:13,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:13" (3/3) ... [2023-11-23 20:34:13,582 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2023-11-23 20:34:13,608 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:34:13,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:13,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 20:34:13,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133dfb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:13, skipping insertion in model container [2023-11-23 20:34:13,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:34:13,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:34:13,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:34:13,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:34:13,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:13" (3/3) ... [2023-11-23 20:34:13,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:34:13,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 20:34:13,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 20:34:13,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-23 20:34:13,642 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-11-23 20:34:13,662 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-23 20:34:13,662 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:34:13,663 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:34:13,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:34:13,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:34:13,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:34:13,758 INFO L158 Benchmark]: Toolchain (without parser) took 1315.13ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 89.0MB in the beginning and 145.9MB in the end (delta: -56.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:13,759 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:13,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.34ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 77.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:34:13,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:13,760 INFO L158 Benchmark]: Boogie Preprocessor took 28.10ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:13,761 INFO L158 Benchmark]: RCFGBuilder took 705.40ms. Allocated memory is still 136.3MB. Free memory was 74.4MB in the beginning and 46.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:34:13,761 INFO L158 Benchmark]: TraceAbstraction took 48.35ms. Allocated memory is still 136.3MB. Free memory was 45.5MB in the beginning and 104.8MB in the end (delta: -59.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-23 20:34:13,762 INFO L158 Benchmark]: Witness Printer took 132.70ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 104.8MB in the beginning and 145.9MB in the end (delta: -41.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:13,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 136.3MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.34ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 77.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 136.3MB. Free memory was 77.5MB in the beginning and 75.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.10ms. Allocated memory is still 136.3MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 705.40ms. Allocated memory is still 136.3MB. Free memory was 74.4MB in the beginning and 46.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 48.35ms. Allocated memory is still 136.3MB. Free memory was 45.5MB in the beginning and 104.8MB in the end (delta: -59.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 132.70ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 104.8MB in the beginning and 145.9MB in the end (delta: -41.2MB). Peak memory consumption was 6.2MB. 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 20:34:13,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f86e5a-e3f8-464b-ad27-ebcdf9010a86/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