./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f2b1437458922f937e4f63e8c97355790d0c2b77a3c021e76d395c8c90c4257 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:39:18,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:39:18,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:39:18,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:39:18,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:39:18,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:39:18,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:39:18,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:39:18,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:39:18,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:39:18,688 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:39:18,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:39:18,688 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:39:18,688 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:39:18,688 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:39:18,688 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:39:18,689 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:39:18,689 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:39:18,689 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:39:18,689 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:39:18,689 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:39:18,689 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:39:18,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:39:18,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:39:18,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:39:18,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:39:18,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:39:18,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:39:18,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:39:18,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:39:18,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:39:18,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:18,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:39:18,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:39:18,697 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:39:18,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:39:18,697 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E 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 ! call(reach_error())) ) 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 -> 0f2b1437458922f937e4f63e8c97355790d0c2b77a3c021e76d395c8c90c4257 [2024-11-14 04:39:19,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:39:19,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:39:19,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:39:19,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:39:19,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:39:19,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/heap-data/shared_mem2.i Unable to find full path for "g++" [2024-11-14 04:39:21,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:39:21,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:39:21,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/sv-benchmarks/c/heap-data/shared_mem2.i [2024-11-14 04:39:21,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/data/3296a4c62/0e7635f6fd024ae0997e9cfb6fcdec81/FLAG7f7cf7718 [2024-11-14 04:39:21,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/data/3296a4c62/0e7635f6fd024ae0997e9cfb6fcdec81 [2024-11-14 04:39:21,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:39:21,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:39:21,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:21,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:39:21,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:39:21,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:21" (1/1) ... [2024-11-14 04:39:21,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0ac91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:21, skipping insertion in model container [2024-11-14 04:39:21,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:21" (1/1) ... [2024-11-14 04:39:21,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:39:22,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2024-11-14 04:39:22,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:22,094 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:39:22,141 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2024-11-14 04:39:22,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:22,168 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:39:22,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22 WrapperNode [2024-11-14 04:39:22,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:22,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:22,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:39:22,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:39:22,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,210 INFO L138 Inliner]: procedures = 121, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-11-14 04:39:22,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:22,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:39:22,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:39:22,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:39:22,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:39:22,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:39:22,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:39:22,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:39:22,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (1/1) ... [2024-11-14 04:39:22,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:22,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:22,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:39:22,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:39:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:39:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:39:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:39:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:39:22,488 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:39:22,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:39:22,717 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 04:39:22,717 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:39:22,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:39:22,811 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:39:22,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:22 BoogieIcfgContainer [2024-11-14 04:39:22,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:39:22,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:39:22,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:39:22,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:39:22,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:39:21" (1/3) ... [2024-11-14 04:39:22,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423712ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:22, skipping insertion in model container [2024-11-14 04:39:22,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:22" (2/3) ... [2024-11-14 04:39:22,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423712ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:22, skipping insertion in model container [2024-11-14 04:39:22,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:22" (3/3) ... [2024-11-14 04:39:22,833 INFO L112 eAbstractionObserver]: Analyzing ICFG shared_mem2.i [2024-11-14 04:39:22,854 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:39:22,856 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG shared_mem2.i that has 1 procedures, 12 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 04:39:22,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:39:22,949 INFO L333 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, 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;@2491ac10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:39:22,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:39:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 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) [2024-11-14 04:39:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 04:39:22,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:22,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:39:22,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:22,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:22,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2129999097, now seen corresponding path program 1 times [2024-11-14 04:39:22,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:22,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45861551] [2024-11-14 04:39:22,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:22,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:23,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:23,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45861551] [2024-11-14 04:39:23,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45861551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:39:23,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:39:23,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:39:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564123736] [2024-11-14 04:39:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:39:23,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:39:23,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:23,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:39:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:39:23,287 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 11 states have internal predecessors, (16), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 04:39:23,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:23,350 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2024-11-14 04:39:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:39:23,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-14 04:39:23,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:23,367 INFO L225 Difference]: With dead ends: 21 [2024-11-14 04:39:23,368 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 04:39:23,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:39:23,376 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:23,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:39:23,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 04:39:23,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-14 04:39:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-14 04:39:23,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2024-11-14 04:39:23,415 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2024-11-14 04:39:23,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:23,416 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-14 04:39:23,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 04:39:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-14 04:39:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:39:23,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:23,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:39:23,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:39:23,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:23,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash 416965033, now seen corresponding path program 1 times [2024-11-14 04:39:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:23,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503838856] [2024-11-14 04:39:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:23,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:23,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:23,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503838856] [2024-11-14 04:39:23,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503838856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:39:23,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:39:23,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:39:23,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868881650] [2024-11-14 04:39:23,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:39:23,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:39:23,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:23,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:39:23,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:39:23,956 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-14 04:39:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:24,036 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-11-14 04:39:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:39:24,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-14 04:39:24,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:24,038 INFO L225 Difference]: With dead ends: 19 [2024-11-14 04:39:24,038 INFO L226 Difference]: Without dead ends: 15 [2024-11-14 04:39:24,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:39:24,040 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:24,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:39:24,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-14 04:39:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-14 04:39:24,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-11-14 04:39:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-14 04:39:24,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2024-11-14 04:39:24,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:24,045 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-14 04:39:24,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-14 04:39:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-14 04:39:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:39:24,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:24,047 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:39:24,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:39:24,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:24,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:24,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2057799018, now seen corresponding path program 1 times [2024-11-14 04:39:24,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:24,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744992214] [2024-11-14 04:39:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:24,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:24,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:24,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744992214] [2024-11-14 04:39:24,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744992214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:39:24,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20945036] [2024-11-14 04:39:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:24,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:39:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:24,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:39:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:39:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:24,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:39:24,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:39:24,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-14 04:39:25,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 56 [2024-11-14 04:39:25,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-11-14 04:39:25,505 INFO L349 Elim1Store]: treesize reduction 66, result has 47.2 percent of original size [2024-11-14 04:39:25,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 82 [2024-11-14 04:39:25,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:39:25,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 104 [2024-11-14 04:39:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:26,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:39:26,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-11-14 04:39:26,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 58 [2024-11-14 04:39:26,617 INFO L349 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2024-11-14 04:39:26,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 1 [2024-11-14 04:39:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:26,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20945036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:39:26,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1901878947] [2024-11-14 04:39:26,640 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-14 04:39:26,641 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:39:26,644 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:39:26,650 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:39:26,650 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:39:31,114 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:39:32,138 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_#memory_$Pointer$.offset_61| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~list~0#1.offset_27| Int) (|v_#memory_int_64| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem13#1_13| Int) (|v_ULTIMATE.start_main_~list~0#1.base_27| Int) (|v_ULTIMATE.start_main_#t~mem12#1.offset_13| Int) (|v_#memory_$Pointer$.base_62| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem12#1.base_13| Int) (|v_ULTIMATE.start_main_#t~mem14#1_13| Int)) (let ((.cse0 (+ 8 |v_ULTIMATE.start_main_~list~0#1.offset_27|))) (and (= |c_ULTIMATE.start_main_~list~0#1.base| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_~list~0#1.base_27|) .cse0)) (let ((.cse6 (+ 4 |v_ULTIMATE.start_main_~list~0#1.offset_27|))) (let ((.cse5 (select (select |v_#memory_$Pointer$.base_62| |v_ULTIMATE.start_main_~list~0#1.base_27|) .cse6)) (.cse3 (select (select |v_#memory_$Pointer$.offset_61| |v_ULTIMATE.start_main_~list~0#1.base_27|) .cse6)) (.cse1 (select (select |v_#memory_int_64| |v_ULTIMATE.start_main_~list~0#1.base_27|) |v_ULTIMATE.start_main_~list~0#1.offset_27|))) (let ((.cse4 (+ (select (select |v_#memory_int_64| .cse5) .cse3) .cse1))) (or (let ((.cse2 (select |v_#memory_int_64| |v_ULTIMATE.start_main_#t~mem12#1.base_13|))) (and (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_61| |v_ULTIMATE.start_main_#t~mem12#1.base_13| (store (select |v_#memory_$Pointer$.offset_61| |v_ULTIMATE.start_main_#t~mem12#1.base_13|) |v_ULTIMATE.start_main_#t~mem12#1.offset_13| (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_#t~mem12#1.base_13|) |v_ULTIMATE.start_main_#t~mem12#1.offset_13|)))) (= .cse1 |v_ULTIMATE.start_main_#t~mem14#1_13|) (= (select .cse2 |v_ULTIMATE.start_main_#t~mem12#1.offset_13|) |v_ULTIMATE.start_main_#t~mem13#1_13|) (= |v_ULTIMATE.start_main_#t~mem12#1.offset_13| .cse3) (= |c_#memory_int| (store |v_#memory_int_64| |v_ULTIMATE.start_main_#t~mem12#1.base_13| (store .cse2 |v_ULTIMATE.start_main_#t~mem12#1.offset_13| (+ |v_ULTIMATE.start_main_#t~mem13#1_13| |v_ULTIMATE.start_main_#t~mem14#1_13|)))) (<= .cse4 100) (= (store |v_#memory_$Pointer$.base_62| |v_ULTIMATE.start_main_#t~mem12#1.base_13| (store (select |v_#memory_$Pointer$.base_62| |v_ULTIMATE.start_main_#t~mem12#1.base_13|) |v_ULTIMATE.start_main_#t~mem12#1.offset_13| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_main_#t~mem12#1.base_13|) |v_ULTIMATE.start_main_#t~mem12#1.offset_13|))) |c_#memory_$Pointer$.base|) (= |v_ULTIMATE.start_main_#t~mem12#1.base_13| .cse5))) (and (= |v_#memory_int_64| |c_#memory_int|) (<= 101 .cse4) (= |c_#memory_$Pointer$.base| |v_#memory_$Pointer$.base_62|) (= |c_#memory_$Pointer$.offset| |v_#memory_$Pointer$.offset_61|)))))) (= |c_ULTIMATE.start_main_~list~0#1.offset| (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~list~0#1.base_27|) .cse0))))) (and (exists ((|v_#valid_19| (Array Int Int))) (let ((.cse7 (store |v_#valid_19| |c_ULTIMATE.start_main_~m~0#1.base| 1))) (and (= (select |v_#valid_19| 2) 1) (= (select |v_#valid_19| 0) 0) (= |c_#valid| (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| 1)) (= (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) 0) (= (select |v_#valid_19| |c_ULTIMATE.start_main_~m~0#1.base|) 0) (= (select |v_#valid_19| 1) 1)))) (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= (+ |c_ULTIMATE.start_main_~list~0#1.base| 1) |c_#StackHeapBarrier|) (exists ((|v_#memory_$Pointer$.offset_22| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_59| (Array Int (Array Int Int)))) (let ((.cse8 (select |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= (store |v_#memory_$Pointer$.offset_22| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_$Pointer$.offset_22| |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse8 0))) |v_#memory_$Pointer$.offset_21|) (= (store |v_#memory_$Pointer$.offset_59| |c_ULTIMATE.start_main_~m~0#1.base| (store (select |v_#memory_$Pointer$.offset_59| |c_ULTIMATE.start_main_~m~0#1.base|) 0 (select (select |v_#memory_$Pointer$.offset_22| |c_ULTIMATE.start_main_~m~0#1.base|) 0))) |v_#memory_$Pointer$.offset_22|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_21| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse8 4 0) 8 0)))))) (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0)) (exists ((|v_#memory_$Pointer$.base_22| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_60| (Array Int (Array Int Int)))) (let ((.cse9 (select |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= (store |v_#memory_$Pointer$.base_22| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_$Pointer$.base_22| |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse9 0))) |v_#memory_$Pointer$.base_21|) (= (store |v_#memory_$Pointer$.base_60| |c_ULTIMATE.start_main_~m~0#1.base| (store (select |v_#memory_$Pointer$.base_60| |c_ULTIMATE.start_main_~m~0#1.base|) 0 (select (select |v_#memory_$Pointer$.base_22| |c_ULTIMATE.start_main_~m~0#1.base|) 0))) |v_#memory_$Pointer$.base_22|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_21| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse9 4 |c_ULTIMATE.start_main_~m~0#1.base|) 8 |c_ULTIMATE.start_main_~list~0#1.base|)))))) (<= (+ |c_ULTIMATE.start_main_~m~0#1.base| 1) |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~m~0#1.offset| 0) (exists ((|v_#memory_int_62| (Array Int (Array Int Int))) (|v_#memory_int_24| (Array Int (Array Int Int)))) (let ((.cse11 (select |v_#memory_int_24| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse12 (select |v_#memory_int_62| 1))) (and (= |v_#memory_int_24| (let ((.cse10 (store |v_#memory_int_62| |c_ULTIMATE.start_main_~m~0#1.base| (store (select |v_#memory_int_62| |c_ULTIMATE.start_main_~m~0#1.base|) 0 0)))) (store .cse10 |c_ULTIMATE.start_main_~list~0#1.base| (store (store (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) 0 1) 4 (select .cse11 4))))) (= (store |v_#memory_int_24| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse11 8 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) 8))) |c_#memory_int|) (= (select .cse12 1) 0) (= (select .cse12 0) 48)))) (not (= |c_ULTIMATE.start_main_~m~0#1.base| 0)) (exists ((|v_#length_19| (Array Int Int))) (and (= (select |v_#length_19| 1) 2) (= (select |v_#length_19| 2) 14) (= |c_#length| (store (store |v_#length_19| |c_ULTIMATE.start_main_~m~0#1.base| 4) |c_ULTIMATE.start_main_~list~0#1.base| 12)))))) is different from true [2024-11-14 04:39:32,212 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '179#(exists ((|v_ULTIMATE.start_main_~m~0#1.base_16| Int) (|v_ULTIMATE.start_main_~m~0#1.offset_16| Int)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~m~0#1.base_16|) |v_ULTIMATE.start_main_~m~0#1.offset_16|) 100)))' at error location [2024-11-14 04:39:32,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:39:32,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:39:32,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 7] total 15 [2024-11-14 04:39:32,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401636158] [2024-11-14 04:39:32,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:39:32,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 04:39:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 04:39:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=270, Unknown=1, NotChecked=34, Total=380 [2024-11-14 04:39:32,215 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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) [2024-11-14 04:39:32,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:32,670 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-11-14 04:39:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 04:39:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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 11 [2024-11-14 04:39:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:32,672 INFO L225 Difference]: With dead ends: 25 [2024-11-14 04:39:32,672 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:39:32,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=388, Unknown=1, NotChecked=42, Total=552 [2024-11-14 04:39:32,674 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:32,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 44 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 04:39:32,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:39:32,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 04:39:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 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) [2024-11-14 04:39:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 04:39:32,680 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-11-14 04:39:32,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:32,680 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 04:39:32,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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) [2024-11-14 04:39:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 04:39:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:39:32,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:32,681 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:39:32,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:39:32,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:39:32,883 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:32,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:32,883 INFO L85 PathProgramCache]: Analyzing trace with hash -952940641, now seen corresponding path program 1 times [2024-11-14 04:39:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574499797] [2024-11-14 04:39:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:33,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:33,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574499797] [2024-11-14 04:39:33,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574499797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:39:33,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397621658] [2024-11-14 04:39:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:33,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:39:33,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:33,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:39:33,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:39:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:33,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 04:39:33,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:39:33,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-14 04:39:33,533 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 04:39:33,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-14 04:39:33,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-14 04:39:33,574 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 04:39:33,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-14 04:39:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:39:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:39:33,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2024-11-14 04:39:33,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 04:39:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:33,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:39:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:39:34,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397621658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:39:34,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [52373243] [2024-11-14 04:39:34,367 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2024-11-14 04:39:34,368 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:39:34,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:39:34,368 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:39:34,368 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:39:38,620 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:39:40,682 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '311#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~m~0#1.base_17| Int)) (and (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~m~0#1.base_17|) 0) 100)) (<= 100 (select (select |#memory_int| |v_ULTIMATE.start_main_~m~0#1.base_17|) 0)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))' at error location [2024-11-14 04:39:40,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:39:40,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:39:40,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 6] total 12 [2024-11-14 04:39:40,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428846812] [2024-11-14 04:39:40,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:39:40,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:39:40,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:40,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:39:40,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-11-14 04:39:40,684 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 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) [2024-11-14 04:39:41,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:41,026 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-11-14 04:39:41,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:39:41,026 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 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 11 [2024-11-14 04:39:41,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:41,027 INFO L225 Difference]: With dead ends: 12 [2024-11-14 04:39:41,027 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:39:41,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2024-11-14 04:39:41,029 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:41,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:39:41,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:39:41,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:39:41,033 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) [2024-11-14 04:39:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:39:41,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-14 04:39:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:41,033 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:39:41,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 12 states have internal predecessors, (29), 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) [2024-11-14 04:39:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:39:41,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:39:41,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:39:41,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:39:41,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:39:41,244 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 04:39:41,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:39:41,318 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:39:41,329 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~m~0!base [2024-11-14 04:39:41,330 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:39:41,331 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:39:41,331 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:39:41,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~m~0!base [2024-11-14 04:39:41,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~list~0!base [2024-11-14 04:39:41,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:39:41,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:39:41,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] [2024-11-14 04:39:41,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:39:41,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:39:41,335 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] [2024-11-14 04:39:41,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:39:41 BoogieIcfgContainer [2024-11-14 04:39:41,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:39:41,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:39:41,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:39:41,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:39:41,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:22" (3/4) ... [2024-11-14 04:39:41,342 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:39:41,350 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-14 04:39:41,350 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:39:41,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:39:41,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:39:41,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:39:41,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:39:41,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:39:41,441 INFO L158 Benchmark]: Toolchain (without parser) took 19786.93ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.7MB in the beginning and 55.8MB in the end (delta: 37.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,442 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.68ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 76.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.32ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,443 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.6MB in the end (delta: 962.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,443 INFO L158 Benchmark]: RCFGBuilder took 573.53ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 56.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,444 INFO L158 Benchmark]: TraceAbstraction took 18517.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.4MB in the beginning and 59.6MB in the end (delta: -4.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-14 04:39:41,444 INFO L158 Benchmark]: Witness Printer took 102.63ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 55.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:41,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.68ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 76.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.32ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 73.6MB in the end (delta: 962.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.53ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 56.0MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18517.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.4MB in the beginning and 59.6MB in the end (delta: -4.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 102.63ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 55.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~m~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~m~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~list~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~m~0!base,]]] * 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: 601]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 22 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 74 ConstructedInterpolants, 3 QuantifiedInterpolants, 904 SizeOfPredicates, 25 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 1/12 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:39:41,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1d5d1b-43a6-45b3-a97d-8931e94757a6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE