./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje --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 3555ba030faa46cc93354bed1e80ecee9aa6a6bf15f1b98ede8c01390cd3073e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:18:22,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:18:22,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:18:22,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:18:22,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:18:22,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:18:22,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:18:22,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:18:22,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:18:22,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:18:22,558 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:18:22,558 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:18:22,559 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:18:22,560 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:18:22,561 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:18:22,561 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:18:22,563 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:18:22,566 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:18:22,566 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:18:22,566 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:18:22,567 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:18:22,567 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:18:22,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:18:22,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:18:22,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:18:22,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:18:22,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:18:22,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:18:22,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:18:22,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:18:22,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:18:22,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:18:22,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:18:22,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:18:22,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:18:22,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:18:22,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:18:22,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:18:22,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:22,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:18:22,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:18:22,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:18:22,574 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:18:22,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:18:22,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:18:22,575 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:18:22,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:18:22,575 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_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3555ba030faa46cc93354bed1e80ecee9aa6a6bf15f1b98ede8c01390cd3073e [2024-11-09 07:18:22,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:18:22,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:18:22,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:18:22,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:18:22,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:18:22,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i Unable to find full path for "g++" [2024-11-09 07:18:24,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:18:25,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:18:25,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i [2024-11-09 07:18:25,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/data/247e8a1f4/dfcb22c3d00c476eb0711f9b0a2d1722/FLAGcf7fb2aed [2024-11-09 07:18:25,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/data/247e8a1f4/dfcb22c3d00c476eb0711f9b0a2d1722 [2024-11-09 07:18:25,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:18:25,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:18:25,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:25,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:18:25,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:18:25,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c80e5e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25, skipping insertion in model container [2024-11-09 07:18:25,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:18:25,733 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_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i[916,929] [2024-11-09 07:18:25,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:25,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:18:25,828 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_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i[916,929] [2024-11-09 07:18:25,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:18:25,899 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:18:25,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25 WrapperNode [2024-11-09 07:18:25,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:18:25,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:25,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:18:25,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:18:25,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,975 INFO L138 Inliner]: procedures = 30, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2024-11-09 07:18:25,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:18:25,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:18:25,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:18:25,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:18:25,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:25,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:18:26,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:18:26,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:18:26,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:18:26,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (1/1) ... [2024-11-09 07:18:26,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:18:26,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:18:26,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:18:26,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:18:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:18:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 07:18:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:18:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 07:18:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:18:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 07:18:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:18:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:18:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:18:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:18:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:18:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:18:26,313 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:18:26,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:18:26,936 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 07:18:26,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:18:27,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:18:27,564 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:18:27,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:27 BoogieIcfgContainer [2024-11-09 07:18:27,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:18:27,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:18:27,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:18:27,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:18:27,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:18:25" (1/3) ... [2024-11-09 07:18:27,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3298e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:27, skipping insertion in model container [2024-11-09 07:18:27,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:18:25" (2/3) ... [2024-11-09 07:18:27,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3298e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:18:27, skipping insertion in model container [2024-11-09 07:18:27,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:27" (3/3) ... [2024-11-09 07:18:27,580 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-57.i [2024-11-09 07:18:27,600 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:18:27,601 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:18:27,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:18:27,698 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;@35f67a70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:18:27,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:18:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 07:18:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 07:18:27,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:27,716 INFO L215 NwaCegarLoop]: trace histogram [18, 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] [2024-11-09 07:18:27,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:27,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:27,724 INFO L85 PathProgramCache]: Analyzing trace with hash 645118772, now seen corresponding path program 1 times [2024-11-09 07:18:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102123954] [2024-11-09 07:18:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:27,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-09 07:19:09,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:09,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102123954] [2024-11-09 07:19:09,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102123954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:09,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220243125] [2024-11-09 07:19:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:19:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:19:09,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:19:09,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:19:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:10,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 07:19:10,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:19:10,822 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 50 treesize of output 49 [2024-11-09 07:19:10,919 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 110 treesize of output 85 [2024-11-09 07:19:11,337 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 103 treesize of output 80 [2024-11-09 07:19:11,677 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 107 treesize of output 82 [2024-11-09 07:19:11,994 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 107 treesize of output 82 [2024-11-09 07:19:12,336 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 111 treesize of output 84 [2024-11-09 07:19:12,695 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 115 treesize of output 86 [2024-11-09 07:19:13,517 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 135 treesize of output 100 [2024-11-09 07:19:14,935 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 149 treesize of output 110 [2024-11-09 07:19:16,029 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 156 treesize of output 115 [2024-11-09 07:19:19,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 337 treesize of output 283 [2024-11-09 07:19:20,650 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 137 treesize of output 134 [2024-11-09 07:19:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 261 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 07:19:26,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:19:28,942 INFO L349 Elim1Store]: treesize reduction 5, result has 16.7 percent of original size [2024-11-09 07:19:28,942 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 1 case distinctions, treesize of input 174 treesize of output 1 [2024-11-09 07:19:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-09 07:19:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220243125] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 07:19:29,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 07:19:29,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13, 26] total 38 [2024-11-09 07:19:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026072445] [2024-11-09 07:19:29,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:29,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:29,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:29,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:29,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:19:29,119 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 07:19:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:29,320 INFO L93 Difference]: Finished difference Result 86 states and 123 transitions. [2024-11-09 07:19:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:29,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 76 [2024-11-09 07:19:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:29,330 INFO L225 Difference]: With dead ends: 86 [2024-11-09 07:19:29,330 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:19:29,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 07:19:29,338 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 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 [2024-11-09 07:19:29,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 07:19:29,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:19:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:19:29,364 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) [2024-11-09 07:19:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:19:29,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2024-11-09 07:19:29,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:29,366 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:19:29,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 07:19:29,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:19:29,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:19:29,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:19:29,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:19:29,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:19:29,573 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:19:29,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:19:29,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:19:29,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:19:29 BoogieIcfgContainer [2024-11-09 07:19:29,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:19:29,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:19:29,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:19:29,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:19:29,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:18:27" (3/4) ... [2024-11-09 07:19:29,623 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:19:29,627 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 07:19:29,636 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2024-11-09 07:19:29,636 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-09 07:19:29,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 07:19:29,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:19:29,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:19:29,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:19:29,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:19:29,781 INFO L158 Benchmark]: Toolchain (without parser) took 64269.06ms. Allocated memory was 155.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 119.4MB in the beginning and 809.8MB in the end (delta: -690.3MB). Peak memory consumption was 597.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,781 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:19:29,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.41ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 102.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.08ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 98.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,782 INFO L158 Benchmark]: Boogie Preprocessor took 91.07ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 95.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,782 INFO L158 Benchmark]: RCFGBuilder took 1499.69ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 118.8MB in the end (delta: -23.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,782 INFO L158 Benchmark]: TraceAbstraction took 62049.61ms. Allocated memory was 155.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 118.8MB in the beginning and 820.3MB in the end (delta: -701.5MB). Peak memory consumption was 583.9MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,783 INFO L158 Benchmark]: Witness Printer took 160.54ms. Allocated memory is still 1.4GB. Free memory was 820.3MB in the beginning and 809.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 07:19:29,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.41ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 102.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.08ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 98.5MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.07ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 95.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1499.69ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 118.8MB in the end (delta: -23.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 62049.61ms. Allocated memory was 155.2MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 118.8MB in the beginning and 820.3MB in the end (delta: -701.5MB). Peak memory consumption was 583.9MB. Max. memory is 16.1GB. * Witness Printer took 160.54ms. Allocated memory is still 1.4GB. Free memory was 820.3MB in the beginning and 809.8MB 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.9s, OverallIterations: 1, TraceHistogramMax: 18, 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, 107 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 3.8s SatisfiabilityAnalysisTime, 57.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 10826 SizeOfPredicates, 14 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 631/918 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 - 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_9 == \old(last_1_WrapperStruct00_var_1_9))) && (last_1_WrapperStruct00_var_1_14 == \old(last_1_WrapperStruct00_var_1_14))) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:19:29,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8e71a5-777e-4a8a-ba69-4075496ac0a6/bin/utaipan-verify-YMUCfTKeje/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