./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2 --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 ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:41,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:41,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:25:41,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:41,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:41,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:41,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:41,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:41,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:41,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:41,364 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:41,365 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:41,365 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:41,365 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:41,366 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:41,366 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:41,366 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:41,370 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:41,370 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:41,371 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:41,371 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:41,372 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:41,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:41,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:41,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:41,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:41,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:41,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:41,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:41,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:41,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:41,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:41,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:41,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:41,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:41,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:41,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:41,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:41,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:41,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:41,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:41,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:41,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:41,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:41,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:41,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:41,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:41,381 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_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 [2024-11-02 11:25:41,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:41,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:41,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:41,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:41,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:41,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i Unable to find full path for "g++" [2024-11-02 11:25:44,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:44,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:44,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2024-11-02 11:25:44,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/data/039d8dd3b/9c2b078087ac4c12a22f720de63b3387/FLAG0e482b63a [2024-11-02 11:25:44,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/data/039d8dd3b/9c2b078087ac4c12a22f720de63b3387 [2024-11-02 11:25:44,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:44,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:44,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:44,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:44,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:44,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:44,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d85950b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44, skipping insertion in model container [2024-11-02 11:25:44,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:44,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:44,815 WARN L251 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_83e23631-43b7-4362-aff3-c476f0cb0740/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2024-11-02 11:25:44,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:44,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:44,912 WARN L251 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_83e23631-43b7-4362-aff3-c476f0cb0740/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2024-11-02 11:25:44,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:44,997 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:44,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44 WrapperNode [2024-11-02 11:25:44,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:44,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:44,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:44,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:45,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,079 INFO L138 Inliner]: procedures = 27, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 411 [2024-11-02 11:25:45,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:45,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:45,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:45,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:45,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:45,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:45,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:45,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:45,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (1/1) ... [2024-11-02 11:25:45,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:45,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:45,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:25:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:25:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:25:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:45,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:45,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:45,946 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:45,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:46,524 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:46,525 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:46,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:46 BoogieIcfgContainer [2024-11-02 11:25:46,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:46,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:46,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:46,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:46,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:44" (1/3) ... [2024-11-02 11:25:46,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c65a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:46, skipping insertion in model container [2024-11-02 11:25:46,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:44" (2/3) ... [2024-11-02 11:25:46,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c65a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:46, skipping insertion in model container [2024-11-02 11:25:46,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:46" (3/3) ... [2024-11-02 11:25:46,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-5.i [2024-11-02 11:25:46,563 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:46,563 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:46,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:46,657 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;@62ea1ba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:46,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 11:25:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-02 11:25:46,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:46,672 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:46,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:46,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash -436351941, now seen corresponding path program 1 times [2024-11-02 11:25:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:46,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007294664] [2024-11-02 11:25:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:25:48,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223333794] [2024-11-02 11:25:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:48,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:25:48,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:48,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:25:48,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:25:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:49,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-02 11:25:49,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:49,651 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 52 treesize of output 51 [2024-11-02 11:25:49,718 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 0 case distinctions, treesize of input 82 treesize of output 71 [2024-11-02 11:25:49,941 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 0 case distinctions, treesize of input 79 treesize of output 68 [2024-11-02 11:25:50,151 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 0 case distinctions, treesize of input 83 treesize of output 70 [2024-11-02 11:25:50,441 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 0 case distinctions, treesize of input 83 treesize of output 70 [2024-11-02 11:25:50,663 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 0 case distinctions, treesize of input 87 treesize of output 72 [2024-11-02 11:25:51,129 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 0 case distinctions, treesize of input 100 treesize of output 81 [2024-11-02 11:25:51,623 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 0 case distinctions, treesize of input 106 treesize of output 85 [2024-11-02 11:25:52,444 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 0 case distinctions, treesize of input 120 treesize of output 95 [2024-11-02 11:25:52,935 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 0 case distinctions, treesize of input 123 treesize of output 96 [2024-11-02 11:25:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 7 proven. 347 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 11:25:58,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 11:26:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-02 11:26:00,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 11:26:00,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007294664] [2024-11-02 11:26:00,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-02 11:26:00,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223333794] [2024-11-02 11:26:00,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223333794] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 11:26:00,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 11:26:00,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [24] total 26 [2024-11-02 11:26:00,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757287815] [2024-11-02 11:26:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:26:00,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 11:26:00,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 11:26:00,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 11:26:00,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2024-11-02 11:26:00,332 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 11:26:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:26:00,585 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2024-11-02 11:26:00,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 11:26:00,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 84 [2024-11-02 11:26:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:26:00,595 INFO L225 Difference]: With dead ends: 94 [2024-11-02 11:26:00,595 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 11:26:00,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2024-11-02 11:26:00,606 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:26:00,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:26:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 11:26:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 11:26:00,638 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) [2024-11-02 11:26:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 11:26:00,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-11-02 11:26:00,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:26:00,641 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 11:26:00,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 11:26:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 11:26:00,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 11:26:00,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:26:00,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:26:00,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:26:00,855 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:26:00,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 11:26:00,903 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:26:00,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:26:00 BoogieIcfgContainer [2024-11-02 11:26:00,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:26:00,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:26:00,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:26:00,931 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:26:00,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:46" (3/4) ... [2024-11-02 11:26:00,935 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 11:26:00,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-02 11:26:00,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-02 11:26:00,958 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-02 11:26:00,959 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-02 11:26:00,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 11:26:01,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 11:26:01,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 11:26:01,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:26:01,141 INFO L158 Benchmark]: Toolchain (without parser) took 16543.03ms. Allocated memory was 180.4MB in the beginning and 337.6MB in the end (delta: 157.3MB). Free memory was 137.1MB in the beginning and 156.1MB in the end (delta: -18.9MB). Peak memory consumption was 141.4MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,142 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 97.3MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:26:01,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.53ms. Allocated memory is still 180.4MB. Free memory was 137.1MB in the beginning and 119.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.75ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 114.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,144 INFO L158 Benchmark]: Boogie Preprocessor took 54.63ms. Allocated memory is still 180.4MB. Free memory was 114.0MB in the beginning and 110.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,145 INFO L158 Benchmark]: RCFGBuilder took 1391.08ms. Allocated memory is still 180.4MB. Free memory was 110.9MB in the beginning and 101.2MB in the end (delta: 9.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,145 INFO L158 Benchmark]: TraceAbstraction took 14399.50ms. Allocated memory was 180.4MB in the beginning and 337.6MB in the end (delta: 157.3MB). Free memory was 100.1MB in the beginning and 166.5MB in the end (delta: -66.4MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,145 INFO L158 Benchmark]: Witness Printer took 210.48ms. Allocated memory is still 337.6MB. Free memory was 166.5MB in the beginning and 156.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 11:26:01,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 97.3MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.53ms. Allocated memory is still 180.4MB. Free memory was 137.1MB in the beginning and 119.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.75ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 114.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.63ms. Allocated memory is still 180.4MB. Free memory was 114.0MB in the beginning and 110.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1391.08ms. Allocated memory is still 180.4MB. Free memory was 110.9MB in the beginning and 101.2MB in the end (delta: 9.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14399.50ms. Allocated memory was 180.4MB in the beginning and 337.6MB in the end (delta: 157.3MB). Free memory was 100.1MB in the beginning and 166.5MB in the end (delta: -66.4MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Witness Printer took 210.48ms. Allocated memory is still 337.6MB. Free memory was 166.5MB in the beginning and 156.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 19]: 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 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 7530 SizeOfPredicates, 17 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 413/760 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 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00))) && (last_1_WrapperStruct00_var_1_13 == \old(last_1_WrapperStruct00_var_1_13))) && (last_1_WrapperStruct00_var_1_20 == \old(last_1_WrapperStruct00_var_1_20))) RESULT: Ultimate proved your program to be correct! [2024-11-02 11:26:01,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e23631-43b7-4362-aff3-c476f0cb0740/bin/utaipan-verify-DbMuA5NWw2/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