./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/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 857eb6400730c27462335624c39a58effd99f93ee6f972a1d8a0651a358303ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:29:29,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:29:29,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:29:29,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:29:29,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:29:29,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:29:29,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:29:29,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:29:29,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:29:29,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:29:29,518 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:29:29,519 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:29:29,519 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:29:29,522 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:29:29,523 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:29:29,523 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:29:29,524 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:29:29,524 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:29:29,525 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:29:29,525 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:29:29,525 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:29:29,526 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:29:29,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:29:29,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:29:29,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:29:29,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:29:29,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:29:29,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:29:29,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:29:29,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:29:29,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:29:29,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:29:29,534 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:29:29,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:29:29,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:29:29,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:29:29,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:29:29,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:29:29,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:29:29,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:29:29,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:29:29,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:29:29,537 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:29:29,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:29:29,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:29:29,538 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:29:29,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:29:29,538 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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 857eb6400730c27462335624c39a58effd99f93ee6f972a1d8a0651a358303ab [2024-11-09 07:29:29,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:29:29,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:29:29,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:29:29,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:29:29,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:29:29,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i Unable to find full path for "g++" [2024-11-09 07:29:31,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:29:32,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:29:32,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i [2024-11-09 07:29:32,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/data/57230195a/3c2e2778cd114bada1b1fd74d2767462/FLAGd63c15b56 [2024-11-09 07:29:32,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/data/57230195a/3c2e2778cd114bada1b1fd74d2767462 [2024-11-09 07:29:32,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:29:32,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:29:32,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:29:32,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:29:32,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:29:32,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:29:32" (1/1) ... [2024-11-09 07:29:32,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2f7458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:32, skipping insertion in model container [2024-11-09 07:29:32,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:29:32" (1/1) ... [2024-11-09 07:29:32,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:29:32,847 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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i[913,926] [2024-11-09 07:29:32,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:29:32,932 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:29:32,946 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_24cc7ffb-435d-4ba9-a762-20fa39c3124a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i[913,926] [2024-11-09 07:29:32,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:29:33,007 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:29:33,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33 WrapperNode [2024-11-09 07:29:33,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:29:33,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:29:33,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:29:33,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:29:33,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,086 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-09 07:29:33,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:29:33,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:29:33,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:29:33,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:29:33,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:29:33,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:29:33,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:29:33,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:29:33,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (1/1) ... [2024-11-09 07:29:33,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:29:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:29:33,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:29:33,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:29:33,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:29:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:29:33,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:29:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:29:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:29:33,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:29:33,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:29:33,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:29:33,674 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 07:29:33,675 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:29:34,062 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:29:34,063 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:29:34,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:29:34 BoogieIcfgContainer [2024-11-09 07:29:34,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:29:34,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:29:34,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:29:34,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:29:34,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:29:32" (1/3) ... [2024-11-09 07:29:34,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cefd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:29:34, skipping insertion in model container [2024-11-09 07:29:34,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:29:33" (2/3) ... [2024-11-09 07:29:34,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cefd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:29:34, skipping insertion in model container [2024-11-09 07:29:34,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:29:34" (3/3) ... [2024-11-09 07:29:34,075 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-89.i [2024-11-09 07:29:34,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:29:34,097 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:29:34,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:29:34,185 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;@4a9f0779, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:29:34,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:29:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 07:29:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 07:29:34,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:29:34,207 INFO L215 NwaCegarLoop]: trace histogram [13, 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 07:29:34,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:29:34,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:29:34,215 INFO L85 PathProgramCache]: Analyzing trace with hash 627252734, now seen corresponding path program 1 times [2024-11-09 07:29:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:29:34,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650969829] [2024-11-09 07:29:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:34,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:29:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:29:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 07:29:38,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:29:38,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650969829] [2024-11-09 07:29:38,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650969829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:29:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429607667] [2024-11-09 07:29:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:29:38,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:29:38,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:29:38,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:29:38,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:29:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:29:38,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 07:29:39,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:29:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 92 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 07:29:44,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 07:29:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429607667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:29:51,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [393182203] [2024-11-09 07:29:51,331 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2024-11-09 07:29:51,331 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 07:29:51,336 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 07:29:51,342 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 07:29:51,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 07:29:54,021 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 40 for LOIs [2024-11-09 07:29:54,025 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 07:29:56,878 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '199#(or (and (<= 0 (+ ~var_1_9~0 63)) (= ~var_1_1~0 1) (<= 1 |#StackHeapBarrier|) (= (+ ~var_1_14~0 1) 0) (<= 0 (+ 127 ~var_1_10~0)) (= ~last_1_var_1_15~0 25) (<= 0 (+ 127 ~var_1_13~0)) (= 16 ~last_1_var_1_14~0) (<= ~var_1_10~0 126) (= ~isInitial~0 1) (<= ~var_1_13~0 126) (= (+ ~var_1_8~0 1) 0) (<= ~var_1_9~0 63)) (and (<= 0 (+ ~var_1_9~0 63)) (<= 1 |#StackHeapBarrier|) (= (+ ~var_1_14~0 1) 0) (<= 0 (+ 127 ~var_1_10~0)) (= ~last_1_var_1_15~0 25) (<= 0 (+ 127 ~var_1_13~0)) (= 16 ~last_1_var_1_14~0) (= ~var_1_11~0 0) (<= ~var_1_10~0 126) (= ~isInitial~0 1) (= ~var_1_1~0 0) (<= ~var_1_13~0 126) (= (+ ~var_1_8~0 1) 0) (<= ~var_1_9~0 63)))' at error location [2024-11-09 07:29:56,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 07:29:56,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 07:29:56,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 9 [2024-11-09 07:29:56,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550268290] [2024-11-09 07:29:56,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 07:29:56,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 07:29:56,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:29:56,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 07:29:56,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=675, Unknown=1, NotChecked=0, Total=870 [2024-11-09 07:29:56,913 INFO L87 Difference]: Start difference. First operand has 28 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-09 07:29:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:29:57,573 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2024-11-09 07:29:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 07:29:57,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 49 [2024-11-09 07:29:57,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:29:57,587 INFO L225 Difference]: With dead ends: 89 [2024-11-09 07:29:57,588 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:29:57,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=340, Invalid=1219, Unknown=1, NotChecked=0, Total=1560 [2024-11-09 07:29:57,595 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 24 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 07:29:57,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 85 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 07:29:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:29:57,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:29:57,621 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 07:29:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:29:57,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2024-11-09 07:29:57,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:29:57,626 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:29:57,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 9 states have internal predecessors, (23), 4 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-09 07:29:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:29:57,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:29:57,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:29:57,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:29:57,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:29:57,837 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:29:57,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:29:58,126 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:29:58,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:29:58 BoogieIcfgContainer [2024-11-09 07:29:58,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:29:58,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:29:58,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:29:58,156 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:29:58,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:29:34" (3/4) ... [2024-11-09 07:29:58,159 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:29:58,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 07:29:58,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2024-11-09 07:29:58,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 07:29:58,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 07:29:58,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:29:58,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:29:58,327 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:29:58,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:29:58,328 INFO L158 Benchmark]: Toolchain (without parser) took 25762.79ms. Allocated memory was 153.1MB in the beginning and 490.7MB in the end (delta: 337.6MB). Free memory was 123.3MB in the beginning and 187.1MB in the end (delta: -63.8MB). Peak memory consumption was 275.4MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,329 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:29:58,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.46ms. Allocated memory is still 153.1MB. Free memory was 123.3MB in the beginning and 109.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.43ms. Allocated memory is still 153.1MB. Free memory was 109.1MB in the beginning and 106.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,330 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 153.1MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,330 INFO L158 Benchmark]: RCFGBuilder took 938.39ms. Allocated memory is still 153.1MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,331 INFO L158 Benchmark]: TraceAbstraction took 24086.88ms. Allocated memory was 153.1MB in the beginning and 490.7MB in the end (delta: 337.6MB). Free memory was 102.2MB in the beginning and 194.5MB in the end (delta: -92.2MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,331 INFO L158 Benchmark]: Witness Printer took 172.24ms. Allocated memory is still 490.7MB. Free memory was 193.4MB in the beginning and 187.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:29:58,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.46ms. Allocated memory is still 153.1MB. Free memory was 123.3MB in the beginning and 109.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.43ms. Allocated memory is still 153.1MB. Free memory was 109.1MB in the beginning and 106.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 153.1MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 938.39ms. Allocated memory is still 153.1MB. Free memory was 104.0MB in the beginning and 103.0MB in the end (delta: 1.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24086.88ms. Allocated memory was 153.1MB in the beginning and 490.7MB in the end (delta: 337.6MB). Free memory was 102.2MB in the beginning and 194.5MB in the end (delta: -92.2MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. * Witness Printer took 172.24ms. Allocated memory is still 490.7MB. Free memory was 193.4MB in the beginning and 187.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 19 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 16, 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 783 SizeOfPredicates, 14 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 277/312 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: 97]: Loop Invariant Derived loop invariant: ((var_1_3 != 0) && (var_1_7 <= 0)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (last_1_var_1_14 == \old(last_1_var_1_14))) && (last_1_var_1_15 == \old(last_1_var_1_15)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:29:58,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24cc7ffb-435d-4ba9-a762-20fa39c3124a/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