./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:30:16,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:30:16,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 15:30:16,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:30:16,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:30:16,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:30:16,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:30:16,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:30:16,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:30:16,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:30:16,807 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:30:16,808 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:30:16,808 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:30:16,809 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:30:16,809 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:30:16,810 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:30:16,810 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:30:16,811 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:30:16,811 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:30:16,812 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:30:16,812 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:30:16,813 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:30:16,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:30:16,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:30:16,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:30:16,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:30:16,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:30:16,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:30:16,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:30:16,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:30:16,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:30:16,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 15:30:16,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 15:30:16,818 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:30:16,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:30:16,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:30:16,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:30:16,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:30:16,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:30:16,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:30:16,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:30:16,820 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:30:16,821 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:30:16,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:30:16,821 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_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-12-02 15:30:17,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:30:17,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:30:17,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:30:17,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:30:17,063 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:30:17,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-12-02 15:30:19,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:30:20,004 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:30:20,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-12-02 15:30:20,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/data/36426b628/437c078d771c44e1b5bbda30b2edfe8b/FLAG7e0bc2439 [2023-12-02 15:30:20,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/data/36426b628/437c078d771c44e1b5bbda30b2edfe8b [2023-12-02 15:30:20,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:30:20,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:30:20,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:30:20,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:30:20,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:30:20,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389a3b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20, skipping insertion in model container [2023-12-02 15:30:20,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:30:20,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:30:20,215 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:30:20,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:30:20,244 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:30:20,245 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:30:20,252 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:30:20,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20 WrapperNode [2023-12-02 15:30:20,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:30:20,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:30:20,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:30:20,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:30:20,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,293 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-12-02 15:30:20,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:30:20,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:30:20,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:30:20,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:30:20,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:30:20,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:30:20,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:30:20,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:30:20,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (1/1) ... [2023-12-02 15:30:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:30:20,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:30:20,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:30:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:30:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 15:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 15:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 15:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 15:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 15:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 15:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:30:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:30:20,387 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 15:30:20,476 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:30:20,478 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:30:20,686 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:30:20,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:30:20,856 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 15:30:20,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:20 BoogieIcfgContainer [2023-12-02 15:30:20,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:30:20,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:30:20,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:30:20,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:30:20,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:30:20" (1/3) ... [2023-12-02 15:30:20,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd11cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:20, skipping insertion in model container [2023-12-02 15:30:20,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:30:20" (2/3) ... [2023-12-02 15:30:20,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd11cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:30:20, skipping insertion in model container [2023-12-02 15:30:20,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:20" (3/3) ... [2023-12-02 15:30:20,875 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-12-02 15:30:20,881 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 15:30:20,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:30:20,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-12-02 15:30:20,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd11cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:30:20, skipping insertion in model container [2023-12-02 15:30:20,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:30:20,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:30:20,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:30:20,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:30:20,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:30:20" (3/3) ... [2023-12-02 15:30:20,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 15:30:20,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-12-02 15:30:20,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-12-02 15:30:20,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-12-02 15:30:20,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-12-02 15:30:20,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-12-02 15:30:20,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 15:30:20,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 15:30:20,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 15:30:20,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 15:30:20,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 15:30:20,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:30:20,995 INFO L158 Benchmark]: Toolchain (without parser) took 968.81ms. Allocated memory was 161.5MB in the beginning and 257.9MB in the end (delta: 96.5MB). Free memory was 128.3MB in the beginning and 219.6MB in the end (delta: -91.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,995 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:30:20,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.14ms. Allocated memory is still 161.5MB. Free memory was 128.3MB in the beginning and 116.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,996 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 113.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,997 INFO L158 Benchmark]: RCFGBuilder took 532.63ms. Allocated memory is still 161.5MB. Free memory was 113.2MB in the beginning and 128.3MB in the end (delta: -15.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,997 INFO L158 Benchmark]: TraceAbstraction took 20.94ms. Allocated memory is still 257.9MB. Free memory was 226.9MB in the beginning and 224.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:30:20,998 INFO L158 Benchmark]: Witness Printer took 101.89ms. Allocated memory is still 257.9MB. Free memory was 224.8MB in the beginning and 219.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:30:21,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.14ms. Allocated memory is still 161.5MB. Free memory was 128.3MB in the beginning and 116.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 113.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.63ms. Allocated memory is still 161.5MB. Free memory was 113.2MB in the beginning and 128.3MB in the end (delta: -15.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 20.94ms. Allocated memory is still 257.9MB. Free memory was 226.9MB in the beginning and 224.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 101.89ms. Allocated memory is still 257.9MB. Free memory was 224.8MB in the beginning and 219.6MB in the end (delta: 5.2MB). 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! [2023-12-02 15:30:21,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cc60ed4-2dfe-47de-87bf-d25ce77e34a3/bin/utaipan-verify-nQ1chXbOIh/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