./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59f2817dc13a3fa0dea9f0586c04841045fa43aa70f117b82eb1999d8e6a13d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:20:03,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:20:03,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:20:03,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:20:03,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:20:03,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:20:03,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:20:03,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:20:03,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:20:03,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:20:03,209 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:20:03,209 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:20:03,210 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:20:03,210 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:20:03,211 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:20:03,211 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:20:03,212 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:20:03,212 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:20:03,212 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:20:03,213 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:20:03,213 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:20:03,214 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:20:03,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:20:03,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:20:03,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:20:03,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:20:03,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:20:03,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:20:03,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:20:03,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:20:03,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:20:03,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:20:03,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:20:03,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:20:03,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:20:03,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:20:03,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:20:03,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:20:03,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:03,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:20:03,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:20:03,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:20:03,222 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:20:03,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:20:03,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:20:03,222 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:20:03,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:20:03,223 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_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f2817dc13a3fa0dea9f0586c04841045fa43aa70f117b82eb1999d8e6a13d6 [2024-11-09 06:20:03,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:20:03,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:20:03,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:20:03,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:20:03,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:20:03,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i Unable to find full path for "g++" [2024-11-09 06:20:05,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:20:05,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:20:05,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i [2024-11-09 06:20:05,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/b6f91d97f/3432c034747747b589363c33c8889f40/FLAG144336c9e [2024-11-09 06:20:05,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/b6f91d97f/3432c034747747b589363c33c8889f40 [2024-11-09 06:20:05,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:20:05,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:20:05,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:05,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:20:05,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:20:05,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:05" (1/1) ... [2024-11-09 06:20:05,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de45788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:05, skipping insertion in model container [2024-11-09 06:20:05,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:05" (1/1) ... [2024-11-09 06:20:05,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:20:06,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i[913,926] [2024-11-09 06:20:06,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:06,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:20:06,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i[913,926] [2024-11-09 06:20:06,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:06,246 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:20:06,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06 WrapperNode [2024-11-09 06:20:06,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:06,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:06,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:20:06,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:20:06,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,296 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-09 06:20:06,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:06,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:20:06,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:20:06,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:20:06,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:20:06,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:20:06,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:20:06,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:20:06,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (1/1) ... [2024-11-09 06:20:06,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:06,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:06,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:20:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:20:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:20:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:20:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:20:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:20:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:20:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:20:06,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:20:06,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:20:06,929 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:20:06,929 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:20:07,149 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:20:07,149 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:20:07,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:07 BoogieIcfgContainer [2024-11-09 06:20:07,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:20:07,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:20:07,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:20:07,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:20:07,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:20:05" (1/3) ... [2024-11-09 06:20:07,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e890a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:07, skipping insertion in model container [2024-11-09 06:20:07,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:06" (2/3) ... [2024-11-09 06:20:07,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e890a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:07, skipping insertion in model container [2024-11-09 06:20:07,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:07" (3/3) ... [2024-11-09 06:20:07,159 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-19.i [2024-11-09 06:20:07,178 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:20:07,178 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:20:07,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:20:07,245 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;@5232833b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:20:07,245 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:20:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-09 06:20:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 06:20:07,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:07,257 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] [2024-11-09 06:20:07,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:07,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1334746702, now seen corresponding path program 1 times [2024-11-09 06:20:07,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:20:07,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057984238] [2024-11-09 06:20:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:07,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:20:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:20:07,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100819282] [2024-11-09 06:20:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:07,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:20:07,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:07,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:20:07,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:20:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:20:07,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:20:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:20:08,021 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:20:08,030 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:20:08,031 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:20:08,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:20:08,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:20:08,237 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:20:08,330 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:20:08,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:20:08 BoogieIcfgContainer [2024-11-09 06:20:08,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:20:08,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:20:08,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:20:08,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:20:08,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:07" (3/4) ... [2024-11-09 06:20:08,341 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:20:08,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:20:08,343 INFO L158 Benchmark]: Toolchain (without parser) took 2495.82ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 114.7MB in the end (delta: -128.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:20:08,344 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:20:08,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.31ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 116.0MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:20:08,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 113.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:20:08,349 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:20:08,349 INFO L158 Benchmark]: RCFGBuilder took 821.71ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 78.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 06:20:08,349 INFO L158 Benchmark]: TraceAbstraction took 1184.25ms. Allocated memory is still 151.0MB. Free memory was 78.0MB in the beginning and 114.7MB in the end (delta: -36.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-09 06:20:08,350 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 151.0MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:20:08,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.31ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 116.0MB in the end (delta: -1.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 113.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 821.71ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 78.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1184.25ms. Allocated memory is still 151.0MB. Free memory was 78.0MB in the beginning and 114.7MB in the end (delta: -36.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 151.0MB. Free memory is still 114.7MB. 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 shiftLeft at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 8; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] unsigned long int var_1_4 = 1; [L26] unsigned long int var_1_5 = 5; [L27] signed char var_1_7 = 4; [L28] signed char var_1_8 = 100; [L29] unsigned char var_1_9 = 1; [L30] signed long int var_1_10 = -8; [L31] signed long int var_1_11 = 10; [L32] signed long int var_1_12 = -25; [L33] signed long int var_1_13 = -16; [L34] signed long int last_1_var_1_11 = 10; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_11 = var_1_11 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=64, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=1, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L72] var_1_4 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_4 <= 12) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_4 <= 12) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=5, var_1_7=4, var_1_8=100, var_1_9=1] [L75] var_1_5 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_7=4, var_1_8=100, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_5 <= 11) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=4, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_5 <= 11) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=4, var_1_8=100, var_1_9=1] [L78] var_1_7 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=100, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=100, var_1_9=1] [L81] var_1_8 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L84] var_1_9 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1] [L86] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-25, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L87] var_1_12 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=-8, var_1_11=10, var_1_12=-127, var_1_13=-16, var_1_1=8, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L104] RET updateVariables() [L105] CALL step() [L38] COND FALSE !(var_1_7 < var_1_3) [L43] COND TRUE (var_1_8 + ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) > var_1_7 [L44] var_1_10 = var_1_8 [L47] var_1_13 = var_1_7 [L48] signed long int stepLocal_1 = var_1_2 / var_1_12; [L49] COND TRUE ((var_1_10 * var_1_13) + var_1_8) > stepLocal_1 [L50] COND TRUE \read(var_1_9) [L51] var_1_11 = var_1_2 [L56] signed long int stepLocal_0 = var_1_11; [L57] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) [L57] COND TRUE ((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= stepLocal_0 [L58] var_1_1 = ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR (var_1_2 - var_1_3) << (var_1_4 + var_1_5) [L96-L97] return ((((((var_1_2 - var_1_3) << (var_1_4 + var_1_5)) <= var_1_11) ? (var_1_1 == ((signed char) ((((var_1_4) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_4) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))))) : (var_1_9 ? (var_1_1 == ((signed char) var_1_5)) : 1)) && ((var_1_7 < var_1_3) ? ((last_1_var_1_11 > var_1_7) ? (var_1_10 == ((signed long int) (var_1_3 - var_1_8))) : 1) : (((var_1_8 + ((((var_1_2) < 0 ) ? -(var_1_2) : (var_1_2)))) > var_1_7) ? (var_1_10 == ((signed long int) var_1_8)) : 1))) && ((((var_1_10 * var_1_13) + var_1_8) > (var_1_2 / var_1_12)) ? (var_1_9 ? (var_1_11 == ((signed long int) var_1_2)) : 1) : (var_1_11 == ((signed long int) var_1_7)))) && (var_1_13 == ((signed long int) var_1_7)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=10, var_1_10=1, var_1_11=127, var_1_12=-127, var_1_13=63, var_1_1=1, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=10, var_1_10=1, var_1_11=127, var_1_12=-127, var_1_13=63, var_1_1=1, var_1_2=127, var_1_3=63, var_1_4=0, var_1_5=8589934594, var_1_7=63, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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=34occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 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 [2024-11-09 06:20:08,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59f2817dc13a3fa0dea9f0586c04841045fa43aa70f117b82eb1999d8e6a13d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:20:10,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:20:10,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:20:10,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:20:10,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:20:10,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:20:10,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:20:10,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:20:10,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:20:10,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:20:10,919 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:20:10,919 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:20:10,920 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:20:10,920 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:20:10,920 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:20:10,924 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:20:10,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:20:10,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:20:10,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:20:10,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:20:10,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:20:10,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:20:10,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:20:10,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:20:10,928 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:20:10,928 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:20:10,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:20:10,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:20:10,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:20:10,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:20:10,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:20:10,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:20:10,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:20:10,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:20:10,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:20:10,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:10,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:20:10,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:20:10,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:20:10,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:20:10,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:20:10,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:20:10,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:20:10,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f2817dc13a3fa0dea9f0586c04841045fa43aa70f117b82eb1999d8e6a13d6 [2024-11-09 06:20:11,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:20:11,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:20:11,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:20:11,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:20:11,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:20:11,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i Unable to find full path for "g++" [2024-11-09 06:20:13,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:20:13,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:20:13,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i [2024-11-09 06:20:13,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/6db775d7c/8d2adf5e1ad549188fc05bef2f0d4b80/FLAGc9e1eb92d [2024-11-09 06:20:13,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/data/6db775d7c/8d2adf5e1ad549188fc05bef2f0d4b80 [2024-11-09 06:20:13,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:20:13,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:20:13,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:13,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:20:13,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:20:13,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:13" (1/1) ... [2024-11-09 06:20:13,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fa8396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:13, skipping insertion in model container [2024-11-09 06:20:13,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:13" (1/1) ... [2024-11-09 06:20:13,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:20:14,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i[913,926] [2024-11-09 06:20:14,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:14,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:20:14,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-19.i[913,926] [2024-11-09 06:20:14,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:14,194 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:20:14,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14 WrapperNode [2024-11-09 06:20:14,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:14,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:14,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:20:14,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:20:14,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,249 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-09 06:20:14,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:14,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:20:14,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:20:14,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:20:14,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:20:14,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:20:14,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:20:14,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:20:14,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (1/1) ... [2024-11-09 06:20:14,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:14,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:20:14,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:20:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:20:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:20:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:20:14,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:20:14,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:20:14,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:20:14,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:20:14,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:20:14,885 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 06:20:14,885 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:20:14,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:20:14,904 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:20:14,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:14 BoogieIcfgContainer [2024-11-09 06:20:14,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:20:14,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:20:14,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:20:14,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:20:14,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:20:13" (1/3) ... [2024-11-09 06:20:14,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:14, skipping insertion in model container [2024-11-09 06:20:14,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:14" (2/3) ... [2024-11-09 06:20:14,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:14, skipping insertion in model container [2024-11-09 06:20:14,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:14" (3/3) ... [2024-11-09 06:20:14,918 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-19.i [2024-11-09 06:20:14,935 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:20:14,936 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:20:15,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:20:15,023 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;@6eed91ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:20:15,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:20:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 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) [2024-11-09 06:20:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:20:15,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:15,056 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] [2024-11-09 06:20:15,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:15,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash 803781503, now seen corresponding path program 1 times [2024-11-09 06:20:15,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:20:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857854796] [2024-11-09 06:20:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:15,083 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 [2024-11-09 06:20:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:20:15,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:20:15,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:20:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:15,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:20:15,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-09 06:20:15,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:20:15,357 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:20:15,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857854796] [2024-11-09 06:20:15,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857854796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:20:15,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:20:15,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:20:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228492480] [2024-11-09 06:20:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:20:15,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:20:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:20:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:20:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:20:15,394 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2024-11-09 06:20:15,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:20:15,423 INFO L93 Difference]: Finished difference Result 99 states and 169 transitions. [2024-11-09 06:20:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:20:15,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 108 [2024-11-09 06:20:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:20:15,434 INFO L225 Difference]: With dead ends: 99 [2024-11-09 06:20:15,435 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 06:20:15,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:20:15,442 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 [2024-11-09 06:20:15,444 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] [2024-11-09 06:20:15,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 06:20:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 06:20:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 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) [2024-11-09 06:20:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-09 06:20:15,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 108 [2024-11-09 06:20:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:20:15,502 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-09 06:20:15,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2024-11-09 06:20:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-09 06:20:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 06:20:15,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:15,507 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] [2024-11-09 06:20:15,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:20:15,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:20:15,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:15,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:15,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1058221757, now seen corresponding path program 1 times [2024-11-09 06:20:15,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:20:15,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981983687] [2024-11-09 06:20:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:15,718 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 [2024-11-09 06:20:15,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:20:15,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 06:20:15,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 06:20:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:15,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 06:20:15,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 313 proven. 138 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-09 06:20:18,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:20:19,478 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:20:19,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981983687] [2024-11-09 06:20:19,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981983687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:20:19,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1348404967] [2024-11-09 06:20:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:19,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:20:19,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:20:19,484 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:20:19,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 06:20:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:20,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 06:20:20,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:20:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 319 proven. 111 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-09 06:20:21,887 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:20:22,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1348404967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:20:22,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601317177] [2024-11-09 06:20:22,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:20:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:22,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:20:22,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf0a52b-4f1a-4032-aa62-474c4aa16ab9/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:20:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:20:22,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 06:20:22,446 INFO L278 TraceCheckSpWp]: Computing forward predicates...