./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.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_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/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_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/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_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:26:50,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:26:50,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:26:50,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:26:50,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:26:50,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:26:50,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:26:50,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:26:50,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:26:50,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:26:50,251 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:26:50,251 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:26:50,252 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:26:50,253 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:26:50,254 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:26:50,254 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:26:50,255 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:26:50,256 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:26:50,257 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:26:50,257 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:26:50,258 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:26:50,259 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:26:50,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:26:50,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:26:50,262 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:26:50,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:26:50,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:26:50,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:26:50,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:26:50,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:26:50,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:26:50,267 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:26:50,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:26:50,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:26:50,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:26:50,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:26:50,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:26:50,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:26:50,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:26:50,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:26:50,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:26:50,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:26:50,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:26:50,276 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:26:50,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:26:50,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:26:50,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:26:50,277 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:26:50,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:26:50,278 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_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 [2023-11-23 21:26:50,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:26:50,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:26:50,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:26:50,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:26:50,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:26:50,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2023-11-23 21:26:54,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:26:55,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:26:55,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/sv-benchmarks/c/goblint-regression/09-regions_04-list2_nr.i [2023-11-23 21:26:55,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/data/0e06ceef1/fc1a6ed127894665a9b904d0aad1fbb4/FLAGc7f3b0474 [2023-11-23 21:26:55,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/data/0e06ceef1/fc1a6ed127894665a9b904d0aad1fbb4 [2023-11-23 21:26:55,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:26:55,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:26:55,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:26:55,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:26:55,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:26:55,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:26:55" (1/1) ... [2023-11-23 21:26:55,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360e0747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:55, skipping insertion in model container [2023-11-23 21:26:55,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:26:55" (1/1) ... [2023-11-23 21:26:55,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:26:56,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:26:56,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:26:56,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:26:56,377 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:26:56,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56 WrapperNode [2023-11-23 21:26:56,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:26:56,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:26:56,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:26:56,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:26:56,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,476 INFO L138 Inliner]: procedures = 369, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 91 [2023-11-23 21:26:56,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:26:56,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:26:56,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:26:56,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:26:56,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:26:56,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:26:56,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:26:56,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:26:56,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (1/1) ... [2023-11-23 21:26:56,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:26:56,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:26:56,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:26:56,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:26:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:26:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:26:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:26:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:26:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:26:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:26:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:26:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 21:26:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 21:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:26:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:26:56,700 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 21:26:56,941 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:26:56,944 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:26:57,360 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:26:57,868 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:26:57,869 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:26:57,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:26:57 BoogieIcfgContainer [2023-11-23 21:26:57,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:26:57,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:26:57,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:26:57,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:26:57,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:26:55" (1/3) ... [2023-11-23 21:26:57,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1432efdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:26:57, skipping insertion in model container [2023-11-23 21:26:57,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:26:56" (2/3) ... [2023-11-23 21:26:57,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1432efdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:26:57, skipping insertion in model container [2023-11-23 21:26:57,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:26:57" (3/3) ... [2023-11-23 21:26:57,886 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-11-23 21:26:57,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:26:57,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:26:57,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 21:26:57,913 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:26:57,973 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 21:26:58,012 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 29 transitions, 62 flow [2023-11-23 21:26:58,048 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 152 states, 148 states have (on average 1.8716216216216217) internal successors, (277), 151 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:26:58,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:26:58,094 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e9f2cf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:26:58,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-23 21:26:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 148 states have (on average 1.8716216216216217) internal successors, (277), 151 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:26:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 21:26:58,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:26:58,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-23 21:26:58,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-23 21:26:58,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:26:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1105251450, now seen corresponding path program 1 times [2023-11-23 21:26:58,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:26:58,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72581652] [2023-11-23 21:26:58,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:26:58,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:26:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:27:00,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:00,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72581652] [2023-11-23 21:27:00,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72581652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:00,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:00,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:27:00,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003181994] [2023-11-23 21:27:00,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:00,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:27:00,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:27:00,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:27:00,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:27:00,399 INFO L87 Difference]: Start difference. First operand has 152 states, 148 states have (on average 1.8716216216216217) internal successors, (277), 151 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:00,766 INFO L93 Difference]: Finished difference Result 132 states and 239 transitions. [2023-11-23 21:27:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:27:00,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-23 21:27:00,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:00,779 INFO L225 Difference]: With dead ends: 132 [2023-11-23 21:27:00,780 INFO L226 Difference]: Without dead ends: 132 [2023-11-23 21:27:00,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:27:00,785 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 21 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:00,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 18 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:27:00,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-23 21:27:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2023-11-23 21:27:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 130 states have (on average 1.8384615384615384) internal successors, (239), 131 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 239 transitions. [2023-11-23 21:27:00,840 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 239 transitions. Word has length 6 [2023-11-23 21:27:00,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:00,841 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 239 transitions. [2023-11-23 21:27:00,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:00,841 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 239 transitions. [2023-11-23 21:27:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:27:00,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:00,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:27:00,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:27:00,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-23 21:27:00,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:00,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1524556734, now seen corresponding path program 1 times [2023-11-23 21:27:00,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:00,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135176006] [2023-11-23 21:27:00,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:00,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:27:02,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:02,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135176006] [2023-11-23 21:27:02,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135176006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:02,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:02,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:27:02,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390899122] [2023-11-23 21:27:02,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:02,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:27:02,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:27:02,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:27:02,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:27:02,157 INFO L87 Difference]: Start difference. First operand 132 states and 239 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:02,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:27:02,669 INFO L93 Difference]: Finished difference Result 112 states and 201 transitions. [2023-11-23 21:27:02,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:27:02,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 21:27:02,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:27:02,670 INFO L225 Difference]: With dead ends: 112 [2023-11-23 21:27:02,670 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:27:02,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:27:02,678 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 41 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:27:02,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 18 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:27:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:27:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:27:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:27:02,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-11-23 21:27:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:27:02,685 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:27:02,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:27:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:27:02,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:27:02,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2023-11-23 21:27:02,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2023-11-23 21:27:02,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2023-11-23 21:27:02,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2023-11-23 21:27:02,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2023-11-23 21:27:02,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2023-11-23 21:27:02,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2023-11-23 21:27:02,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2023-11-23 21:27:02,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2023-11-23 21:27:02,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:27:02,699 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:27:02,705 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:27:02,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:27:02,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:27:02 BasicIcfg [2023-11-23 21:27:02,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:27:02,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:27:02,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:27:02,724 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:27:02,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:26:57" (3/4) ... [2023-11-23 21:27:02,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:27:02,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-23 21:27:02,747 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2023-11-23 21:27:02,748 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 21:27:02,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 21:27:02,870 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:27:02,870 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:27:02,870 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:27:02,871 INFO L158 Benchmark]: Toolchain (without parser) took 7686.11ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 120.8MB in the beginning and 60.8MB in the end (delta: 60.0MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,871 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:27:02,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1188.66ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 81.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.29ms. Allocated memory is still 148.9MB. Free memory was 81.5MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,873 INFO L158 Benchmark]: Boogie Preprocessor took 95.82ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,873 INFO L158 Benchmark]: RCFGBuilder took 1292.79ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 85.9MB in the end (delta: -9.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,873 INFO L158 Benchmark]: TraceAbstraction took 4847.94ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 85.0MB in the beginning and 66.0MB in the end (delta: 19.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,874 INFO L158 Benchmark]: Witness Printer took 147.07ms. Allocated memory is still 190.8MB. Free memory was 66.0MB in the beginning and 60.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:27:02,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1188.66ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 81.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.29ms. Allocated memory is still 148.9MB. Free memory was 81.5MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.82ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.79ms. Allocated memory is still 148.9MB. Free memory was 76.7MB in the beginning and 85.9MB in the end (delta: -9.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4847.94ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 85.0MB in the beginning and 66.0MB in the end (delta: 19.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 147.07ms. Allocated memory is still 190.8MB. Free memory was 66.0MB in the beginning and 60.8MB 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 49 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:27:02,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cacc82f-e4aa-4cb1-970d-87e4c15e22a0/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