./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:24,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:25,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:39:25,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:25,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:25,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:25,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:25,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:25,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:25,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:25,105 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:25,105 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:25,106 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:25,107 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:25,109 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:25,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:25,110 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:25,110 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:25,111 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:25,111 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:25,111 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:25,115 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:25,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:25,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:25,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:25,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:25,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:25,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:25,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:25,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:25,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:25,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:25,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:25,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:25,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:25,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:25,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:25,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:25,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:25,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:25,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:25,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:25,140 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:25,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:25,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:25,141 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:25,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:25,142 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_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a [2024-11-02 12:39:25,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:25,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:25,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:25,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:25,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:25,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i Unable to find full path for "g++" [2024-11-02 12:39:28,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:28,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:28,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-02 12:39:28,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/4bfd21395/a3bb7b3c76e945f889aa48875a261800/FLAG6b1169c7e [2024-11-02 12:39:28,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/4bfd21395/a3bb7b3c76e945f889aa48875a261800 [2024-11-02 12:39:28,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:28,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:28,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:28,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:28,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:28,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:28" (1/1) ... [2024-11-02 12:39:28,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35175efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:28, skipping insertion in model container [2024-11-02 12:39:28,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:28" (1/1) ... [2024-11-02 12:39:28,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:28,786 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-02 12:39:28,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:28,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:28,965 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-02 12:39:29,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:29,065 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:29,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29 WrapperNode [2024-11-02 12:39:29,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:29,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:29,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:29,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:29,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,143 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-02 12:39:29,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:29,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:29,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:29,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:29,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:29,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:29,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:29,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:29,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (1/1) ... [2024-11-02 12:39:29,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:29,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:29,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:29,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:29,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:29,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:29,757 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:29,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:29,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:29,979 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:29,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:29 BoogieIcfgContainer [2024-11-02 12:39:29,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:29,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:29,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:29,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:29,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:28" (1/3) ... [2024-11-02 12:39:29,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1a3946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:29, skipping insertion in model container [2024-11-02 12:39:29,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:29" (2/3) ... [2024-11-02 12:39:29,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1a3946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:29, skipping insertion in model container [2024-11-02 12:39:29,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:29" (3/3) ... [2024-11-02 12:39:29,991 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-68.i [2024-11-02 12:39:30,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:30,013 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:30,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:30,109 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;@3c906bce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:30,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:39:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 12:39:30,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:30,127 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:30,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:30,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash 467382552, now seen corresponding path program 1 times [2024-11-02 12:39:30,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:30,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280283251] [2024-11-02 12:39:30,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:30,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:39:30,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691653323] [2024-11-02 12:39:30,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:30,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:39:30,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:30,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:39:30,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:39:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:30,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:39:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:39:31,170 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:39:31,173 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:39:31,174 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:39:31,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:39:31,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:39:31,384 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:39:31,502 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:39:31,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:39:31 BoogieIcfgContainer [2024-11-02 12:39:31,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:39:31,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:39:31,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:39:31,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:39:31,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:29" (3/4) ... [2024-11-02 12:39:31,513 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:39:31,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:39:31,518 INFO L158 Benchmark]: Toolchain (without parser) took 3194.36ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 63.2MB in the beginning and 101.7MB in the end (delta: -38.5MB). Peak memory consumption was 720B. Max. memory is 16.1GB. [2024-11-02 12:39:31,519 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:31,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.38ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 122.4MB in the end (delta: -59.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:31,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.80ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:31,521 INFO L158 Benchmark]: Boogie Preprocessor took 55.42ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:39:31,523 INFO L158 Benchmark]: RCFGBuilder took 776.08ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 91.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:39:31,524 INFO L158 Benchmark]: TraceAbstraction took 1526.33ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 101.7MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:31,526 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 163.6MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:39:31,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.38ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 62.9MB in the beginning and 122.4MB in the end (delta: -59.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.80ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.42ms. Allocated memory is still 163.6MB. Free memory was 120.3MB in the beginning and 118.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 776.08ms. Allocated memory is still 163.6MB. Free memory was 118.9MB in the beginning and 91.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1526.33ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 101.7MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 163.6MB. Free memory is still 101.7MB. There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] float var_1_2 = 64.5; [L24] float var_1_3 = 16.8; [L25] signed long int var_1_8 = 10; [L26] unsigned char var_1_9 = 0; [L27] double var_1_10 = 25.5; [L28] double var_1_11 = 9999999999999.729; [L29] double var_1_12 = 999.8; [L30] signed short int var_1_13 = -25; [L31] signed short int var_1_14 = -64; [L32] signed short int var_1_15 = 0; [L33] signed short int var_1_16 = -8; [L34] signed long int var_1_17 = 5; [L35] unsigned long int var_1_18 = 0; [L36] unsigned long int var_1_19 = 8; [L37] float var_1_20 = 32.375; [L38] signed long int var_1_21 = -10; [L39] signed short int last_1_var_1_13 = -25; [L40] signed long int last_1_var_1_17 = 5; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L103] last_1_var_1_13 = var_1_13 [L104] last_1_var_1_17 = var_1_17 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L74] var_1_2 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L76] var_1_3 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L78] var_1_8 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L89] var_1_14 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_14 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_14 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_14 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 <= 8192) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L92] var_1_15 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_15 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_15 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_15 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 <= 8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L95] var_1_16 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_16 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_16 >= -16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_16 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 <= 16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L98] var_1_19 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=33, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=5, var_1_18=0, var_1_19=33, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=1] [L115] RET updateVariables() [L116] CALL step() [L44] signed long int stepLocal_2 = var_1_8 + last_1_var_1_17; [L45] COND TRUE \read(var_1_9) [L46] COND TRUE last_1_var_1_13 <= stepLocal_2 [L47] var_1_13 = ((var_1_14 + var_1_15) + var_1_16) [L54] var_1_17 = (var_1_13 + var_1_14) [L55] var_1_18 = var_1_19 [L56] var_1_20 = var_1_12 [L57] var_1_21 = var_1_17 [L58] signed long int stepLocal_1 = var_1_17; [L59] COND FALSE !(stepLocal_1 != var_1_21) [L62] unsigned long int stepLocal_0 = var_1_18 + var_1_21; [L63] COND FALSE !((var_1_2 - var_1_3) >= var_1_10) [L68] COND TRUE \read(var_1_9) [L69] var_1_1 = ((((var_1_21) > (var_1_18)) ? (var_1_21) : (var_1_18))) [L116] RET step() [L117] CALL, EXPR property() [L107-L108] return ((((((((var_1_2 - var_1_3) >= var_1_10) ? (((var_1_18 + var_1_21) >= (var_1_13 / var_1_8)) ? (var_1_1 == ((signed long int) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : 1) : (var_1_9 ? (var_1_1 == ((signed long int) ((((var_1_21) > (var_1_18)) ? (var_1_21) : (var_1_18))))) : 1)) && ((var_1_17 != var_1_21) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1)) && (var_1_9 ? ((last_1_var_1_13 <= (var_1_8 + last_1_var_1_17)) ? (var_1_13 == ((signed short int) ((var_1_14 + var_1_15) + var_1_16))) : (var_1_13 == ((signed short int) var_1_15))) : (var_1_13 == ((signed short int) var_1_15)))) && (var_1_17 == ((signed long int) (var_1_13 + var_1_14)))) && (var_1_18 == ((unsigned long int) var_1_19))) && (var_1_20 == ((float) var_1_12))) && (var_1_21 == ((signed long int) var_1_17)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=1, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=32, var_1_18=33, var_1_19=33, var_1_1=33, var_1_20=2, var_1_21=32, var_1_8=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=1, var_1_14=31, var_1_15=0, var_1_16=-30, var_1_17=32, var_1_18=33, var_1_19=33, var_1_1=33, var_1_20=2, var_1_21=32, var_1_8=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:39:31,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:34,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:34,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:39:34,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:34,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:34,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:34,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:34,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:34,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:34,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:34,792 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:34,792 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:34,793 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:34,794 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:34,797 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:34,798 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:34,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:34,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:34,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:39:34,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:39:34,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:34,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:34,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:34,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:34,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:39:34,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:39:34,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:34,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:39:34,809 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:39:34,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:34,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:34,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:34,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:39:34,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:34,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:34,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:34,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:34,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:34,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:34,816 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:39:34,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:39:34,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:34,820 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:34,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:34,821 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a [2024-11-02 12:39:35,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:35,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:35,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:35,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:35,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:35,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i Unable to find full path for "g++" [2024-11-02 12:39:38,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:38,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:38,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-02 12:39:38,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/df53835f3/4a0c6da795d74abbad78aea8dc5ba540/FLAGcc40007a0 [2024-11-02 12:39:38,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/data/df53835f3/4a0c6da795d74abbad78aea8dc5ba540 [2024-11-02 12:39:38,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:38,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:38,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:38,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:38,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:38,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:38" (1/1) ... [2024-11-02 12:39:38,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e4caa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:38, skipping insertion in model container [2024-11-02 12:39:38,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:38" (1/1) ... [2024-11-02 12:39:38,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:38,833 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-02 12:39:38,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:38,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:38,975 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-02 12:39:39,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:39,064 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:39,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39 WrapperNode [2024-11-02 12:39:39,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:39,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:39,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:39,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:39,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,150 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-02 12:39:39,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:39,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:39,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:39,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:39,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:39,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:39,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:39,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:39,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (1/1) ... [2024-11-02 12:39:39,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:39,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:39,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:39,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:39:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:39,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:39,432 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:39,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:42,430 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:42,431 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:42,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:42,459 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:39:42,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:42 BoogieIcfgContainer [2024-11-02 12:39:42,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:42,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:42,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:42,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:42,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:38" (1/3) ... [2024-11-02 12:39:42,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7878b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:42, skipping insertion in model container [2024-11-02 12:39:42,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:39" (2/3) ... [2024-11-02 12:39:42,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7878b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:42, skipping insertion in model container [2024-11-02 12:39:42,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:42" (3/3) ... [2024-11-02 12:39:42,477 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-68.i [2024-11-02 12:39:42,502 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:42,503 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:42,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:42,602 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;@6a7fa550, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:42,604 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:39:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-02 12:39:42,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:42,633 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:42,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:42,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:42,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1857079027, now seen corresponding path program 1 times [2024-11-02 12:39:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:42,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171603179] [2024-11-02 12:39:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:42,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:42,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:42,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:42,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:39:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:43,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:39:43,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-02 12:39:43,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:43,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:43,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171603179] [2024-11-02 12:39:43,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171603179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:43,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:43,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:39:43,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055005160] [2024-11-02 12:39:43,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:43,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:39:43,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:43,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:39:43,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:39:43,278 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-02 12:39:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:43,323 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-02 12:39:43,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:39:43,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-02 12:39:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:43,334 INFO L225 Difference]: With dead ends: 101 [2024-11-02 12:39:43,334 INFO L226 Difference]: Without dead ends: 50 [2024-11-02 12:39:43,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:39:43,342 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:43,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:39:43,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-02 12:39:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-02 12:39:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:39:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-02 12:39:43,395 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-02 12:39:43,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:43,396 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-02 12:39:43,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-02 12:39:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-02 12:39:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-02 12:39:43,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:43,400 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:43,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:39:43,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:43,601 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:43,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash -251879665, now seen corresponding path program 1 times [2024-11-02 12:39:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:43,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759546192] [2024-11-02 12:39:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:43,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:43,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:43,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:43,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:39:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:44,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:39:44,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:39:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-02 12:39:44,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:39:44,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:39:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759546192] [2024-11-02 12:39:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759546192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:44,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:44,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:39:44,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270127259] [2024-11-02 12:39:44,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:44,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:39:44,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:39:44,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:39:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:39:44,249 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-02 12:39:46,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-02 12:39:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:39:46,251 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2024-11-02 12:39:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 12:39:46,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-02 12:39:46,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:39:46,282 INFO L225 Difference]: With dead ends: 97 [2024-11-02 12:39:46,282 INFO L226 Difference]: Without dead ends: 50 [2024-11-02 12:39:46,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:39:46,284 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:39:46,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-02 12:39:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-02 12:39:46,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-02 12:39:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 12:39:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-02 12:39:46,297 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 110 [2024-11-02 12:39:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:39:46,299 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-02 12:39:46,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-02 12:39:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-02 12:39:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-02 12:39:46,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:46,302 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:39:46,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 12:39:46,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:46,503 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:46,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1061226291, now seen corresponding path program 1 times [2024-11-02 12:39:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:39:46,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031584130] [2024-11-02 12:39:46,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:39:46,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:39:46,508 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:39:46,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0f9a45-2e7c-47c6-bceb-72583d003dd3/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:39:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:46,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-02 12:39:46,961 INFO L278 TraceCheckSpWp]: Computing forward predicates...