./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:00,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:00,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:35:00,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:00,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:00,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:00,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:00,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:00,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:00,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:00,280 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:00,280 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:00,281 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:00,281 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:35:00,281 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:00,281 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:00,282 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:35:00,282 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:35:00,282 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:00,287 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:35:00,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:35:00,288 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:35:00,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:00,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:00,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:00,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:35:00,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:00,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:00,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:00,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:00,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:00,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:00,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:00,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:00,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:00,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:00,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:00,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:00,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:00,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:00,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:00,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:00,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:35:00,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:35:00,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:00,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:00,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:00,297 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 [2024-11-02 12:35:00,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:00,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:00,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:00,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:00,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:00,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i Unable to find full path for "g++" [2024-11-02 12:35:02,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:02,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:02,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-11-02 12:35:02,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/9970bb54d/2ec1b6f668a542d68dda0d62d6fb963b/FLAG348c82d80 [2024-11-02 12:35:02,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/9970bb54d/2ec1b6f668a542d68dda0d62d6fb963b [2024-11-02 12:35:02,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:02,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:02,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:02,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:02,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:02,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:02" (1/1) ... [2024-11-02 12:35:02,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443003b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:02, skipping insertion in model container [2024-11-02 12:35:02,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:02" (1/1) ... [2024-11-02 12:35:02,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:03,221 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-11-02 12:35:03,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:03,339 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:03,355 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-11-02 12:35:03,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:03,467 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:03,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03 WrapperNode [2024-11-02 12:35:03,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:03,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:03,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:03,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:03,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,578 INFO L138 Inliner]: procedures = 30, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 398 [2024-11-02 12:35:03,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:03,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:03,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:03,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:03,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:03,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:03,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:03,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:03,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (1/1) ... [2024-11-02 12:35:03,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:03,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:03,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:35:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:35:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:35:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:35:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:35:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:35:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:35:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:03,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:03,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:04,907 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:04,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:05,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:05,416 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:05,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:05 BoogieIcfgContainer [2024-11-02 12:35:05,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:05,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:05,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:05,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:05,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:02" (1/3) ... [2024-11-02 12:35:05,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ec6e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:05, skipping insertion in model container [2024-11-02 12:35:05,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:03" (2/3) ... [2024-11-02 12:35:05,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ec6e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:05, skipping insertion in model container [2024-11-02 12:35:05,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:05" (3/3) ... [2024-11-02 12:35:05,427 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-41.i [2024-11-02 12:35:05,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:05,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:05,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:05,552 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;@4a741cf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:05,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:35:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-02 12:35:05,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:05,570 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:05,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:05,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:05,580 INFO L85 PathProgramCache]: Analyzing trace with hash -248122963, now seen corresponding path program 1 times [2024-11-02 12:35:05,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:05,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572381164] [2024-11-02 12:35:05,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:05,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:07,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:35:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:35:07,895 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:35:07,898 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:35:07,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:35:07,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:35:07,909 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:35:07,997 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:35:08,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:35:08 BoogieIcfgContainer [2024-11-02 12:35:08,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:35:08,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:35:08,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:35:08,003 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:35:08,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:05" (3/4) ... [2024-11-02 12:35:08,007 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:35:08,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:35:08,010 INFO L158 Benchmark]: Toolchain (without parser) took 5093.56ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 103.8MB in the beginning and 99.6MB in the end (delta: 4.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,011 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:08,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.35ms. Allocated memory is still 140.5MB. Free memory was 103.4MB in the beginning and 86.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.52ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 82.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,016 INFO L158 Benchmark]: Boogie Preprocessor took 93.42ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 80.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,017 INFO L158 Benchmark]: RCFGBuilder took 1740.08ms. Allocated memory is still 140.5MB. Free memory was 80.0MB in the beginning and 98.5MB in the end (delta: -18.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,017 INFO L158 Benchmark]: TraceAbstraction took 2582.09ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 97.8MB in the beginning and 100.6MB in the end (delta: -2.9MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2024-11-02 12:35:08,019 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 176.2MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:35:08,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.35ms. Allocated memory is still 140.5MB. Free memory was 103.4MB in the beginning and 86.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.52ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 82.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.42ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 80.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1740.08ms. Allocated memory is still 140.5MB. Free memory was 80.0MB in the beginning and 98.5MB in the end (delta: -18.6MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2582.09ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 97.8MB in the beginning and 100.6MB in the end (delta: -2.9MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 176.2MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 1.0MB). 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 someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { -16, 0, -8, 5, 2, 0, 8.5, 999999999999.6, 10, -1, 16, 64 }; [L51] signed char last_1_WrapperStruct00_var_1_1 = -16; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L109] EXPR WrapperStruct00.var_1_1 [L109] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L86] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L88] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L89] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L91] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L92] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L93] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L94] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L95] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L97] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L98] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_13 [L99] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_13 [L99] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L99] EXPR (WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L100] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L101] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -128) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L102] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L103] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_15 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L104] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L106] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L120] RET updateVariables() [L121] CALL step() [L55] EXPR WrapperStruct00.var_1_5 [L55] COND TRUE WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1) [L56] EXPR WrapperStruct00.var_1_17 [L56] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_17 [L58] EXPR WrapperStruct00.var_1_13 [L58] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_13 - 8.3) [L59] EXPR WrapperStruct00.var_1_13 [L59] EXPR WrapperStruct00.var_1_12 [L59] unsigned char stepLocal_1 = WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12; [L60] EXPR WrapperStruct00.var_1_5 [L60] COND FALSE !(WrapperStruct00.var_1_5 && stepLocal_1) [L63] EXPR WrapperStruct00.var_1_15 [L63] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_15 [L65] WrapperStruct00.var_1_5 [L65] COND TRUE WrapperStruct00.var_1_5 [L66] EXPR WrapperStruct00.var_1_16 [L66] EXPR WrapperStruct00.var_1_16 [L66] WrapperStruct00.var_1_8 = (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16) [L74] EXPR WrapperStruct00.var_1_8 [L74] EXPR WrapperStruct00.var_1_16 [L74] unsigned long int stepLocal_0 = (WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16; [L75] EXPR WrapperStruct00.var_1_8 [L75] COND FALSE !(stepLocal_0 > WrapperStruct00.var_1_8) [L82] EXPR WrapperStruct00.var_1_6 [L82] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR WrapperStruct00.var_1_8 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_8 [L112] EXPR (((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6)) [L112] EXPR WrapperStruct00.var_1_1 [L112] EXPR WrapperStruct00.var_1_6 [L112] EXPR (((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6)) [L112] EXPR ((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)))) [L112] EXPR WrapperStruct00.var_1_5 [L112] EXPR WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))) [L112] EXPR WrapperStruct00.var_1_8 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))) [L112] EXPR ((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)))) [L112] EXPR (((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3))) [L112] EXPR WrapperStruct00.var_1_12 [L112] EXPR WrapperStruct00.var_1_13 [L112] EXPR (((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3))) [L112] EXPR ((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15))) [L112] EXPR WrapperStruct00.var_1_5 [L112] EXPR WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12) [L112] EXPR WrapperStruct00.var_1_13 [L112] EXPR WrapperStruct00.var_1_12 [L112] EXPR WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12) [L112] EXPR (WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)) [L112] EXPR WrapperStruct00.var_1_14 [L112] EXPR WrapperStruct00.var_1_16 [L112] EXPR (WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)) [L112] EXPR ((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15))) [L112] EXPR (((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)))) && ((WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : 1) [L112-L113] return (((((((WrapperStruct00.var_1_8 & 0u) * WrapperStruct00.var_1_16) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_1 == ((signed char) ((16 + WrapperStruct00.var_1_6) + WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_1 == ((signed char) ((((WrapperStruct00.var_1_6) < 0 ) ? -(WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_6)))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_6))) && (WrapperStruct00.var_1_5 ? (WrapperStruct00.var_1_8 == ((unsigned short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : (((WrapperStruct00.var_1_16 > WrapperStruct00.var_1_14) || WrapperStruct00.var_1_11) ? (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_8 == ((unsigned short int) WrapperStruct00.var_1_16))))) && (WrapperStruct00.var_1_12 == ((double) (WrapperStruct00.var_1_13 - 8.3)))) && ((WrapperStruct00.var_1_5 && (WrapperStruct00.var_1_13 >= WrapperStruct00.var_1_12)) ? (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_16)) : (WrapperStruct00.var_1_14 == ((signed long int) WrapperStruct00.var_1_15)))) && ((WrapperStruct00.var_1_5 && (last_1_WrapperStruct00_var_1_1 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : 1) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=-16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred 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, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 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 12:35:08,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:35:11,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:35:11,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:35:11,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:35:11,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:35:11,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:35:11,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:35:11,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:35:11,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:35:11,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:35:11,171 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:35:11,171 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:35:11,172 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:35:11,172 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:35:11,172 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:35:11,173 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:35:11,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:35:11,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:35:11,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:35:11,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:35:11,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:35:11,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:35:11,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:35:11,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:35:11,181 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:35:11,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:35:11,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:35:11,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:35:11,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:35:11,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:35:11,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:35:11,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:35:11,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:35:11,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:35:11,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:35:11,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:11,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:35:11,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:35:11,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:35:11,188 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:35:11,188 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:35:11,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:35:11,191 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:35:11,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:35:11,191 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08148e8c3c8eecfc4014e5c0b3637b2b2d997939cef63f1309d0f584d4ec63a9 [2024-11-02 12:35:11,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:35:11,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:35:11,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:35:11,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:35:11,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:35:11,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i Unable to find full path for "g++" [2024-11-02 12:35:14,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:35:14,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:35:14,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i [2024-11-02 12:35:14,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/6b13765ae/229137dba538459fa1d003e9db98ab52/FLAGc7e54cbd0 [2024-11-02 12:35:14,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/data/6b13765ae/229137dba538459fa1d003e9db98ab52 [2024-11-02 12:35:14,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:35:14,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:35:14,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:14,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:35:14,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:35:14,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dfe7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:14, skipping insertion in model container [2024-11-02 12:35:14,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:35:14" (1/1) ... [2024-11-02 12:35:14,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:35:14,816 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-11-02 12:35:14,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:14,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:35:14,993 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_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-41.i[916,929] [2024-11-02 12:35:15,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:35:15,138 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:35:15,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15 WrapperNode [2024-11-02 12:35:15,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:35:15,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:15,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:35:15,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:35:15,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,252 INFO L138 Inliner]: procedures = 37, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 394 [2024-11-02 12:35:15,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:35:15,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:35:15,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:35:15,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:35:15,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:35:15,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:35:15,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:35:15,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:35:15,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (1/1) ... [2024-11-02 12:35:15,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:35:15,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:35:15,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:35:15,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:35:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:35:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:35:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-02 12:35:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:35:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:35:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:35:15,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:35:15,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:35:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-02 12:35:15,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-02 12:35:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-02 12:35:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:35:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:35:15,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:35:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:35:15,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:15,614 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:16,817 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:16,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:16,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:16,837 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:35:16,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:16 BoogieIcfgContainer [2024-11-02 12:35:16,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:16,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:16,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:16,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:16,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:35:14" (1/3) ... [2024-11-02 12:35:16,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f163e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:16, skipping insertion in model container [2024-11-02 12:35:16,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:35:15" (2/3) ... [2024-11-02 12:35:16,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f163e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:16, skipping insertion in model container [2024-11-02 12:35:16,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:16" (3/3) ... [2024-11-02 12:35:16,849 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-41.i [2024-11-02 12:35:16,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:16,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:35:16,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:16,931 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;@741e1e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:16,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:35:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:35:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:35:16,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:16,950 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:16,951 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:16,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:16,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1210687020, now seen corresponding path program 1 times [2024-11-02 12:35:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:16,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158917414] [2024-11-02 12:35:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:16,971 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 12:35:16,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:16,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:16,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:17,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:35:17,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-02 12:35:17,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:17,521 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:17,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158917414] [2024-11-02 12:35:17,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158917414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:17,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:17,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:35:17,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574682246] [2024-11-02 12:35:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:17,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:35:17,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:17,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:35:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:35:17,559 INFO L87 Difference]: Start difference. First operand has 89 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 73 states have internal predecessors, (101), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:35:17,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:17,600 INFO L93 Difference]: Finished difference Result 167 states and 260 transitions. [2024-11-02 12:35:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:35:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-02 12:35:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:17,612 INFO L225 Difference]: With dead ends: 167 [2024-11-02 12:35:17,612 INFO L226 Difference]: Without dead ends: 81 [2024-11-02 12:35:17,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 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 12:35:17,620 INFO L432 NwaCegarLoop]: 115 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, 115 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 12:35:17,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:35:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-02 12:35:17,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-02 12:35:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 65 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:35:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-02 12:35:17,682 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 114 [2024-11-02 12:35:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:17,687 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-02 12:35:17,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:35:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-02 12:35:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:35:17,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:17,693 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:17,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:17,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:17,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:17,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash 26934232, now seen corresponding path program 1 times [2024-11-02 12:35:17,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:17,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096440884] [2024-11-02 12:35:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:17,897 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 12:35:17,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:17,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:17,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:18,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:35:18,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-02 12:35:18,518 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:18,518 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:18,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096440884] [2024-11-02 12:35:18,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096440884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:18,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:18,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:35:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100540641] [2024-11-02 12:35:18,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:18,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:35:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:18,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:35:18,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:35:18,528 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:35:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:18,875 INFO L93 Difference]: Finished difference Result 162 states and 231 transitions. [2024-11-02 12:35:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:35:18,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2024-11-02 12:35:18,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:18,882 INFO L225 Difference]: With dead ends: 162 [2024-11-02 12:35:18,883 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:35:18,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:35:18,889 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:18,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 325 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:35:18,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:35:18,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-02 12:35:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.328358208955224) internal successors, (89), 67 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:35:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-02 12:35:18,913 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 114 [2024-11-02 12:35:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:18,919 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-02 12:35:18,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-02 12:35:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-02 12:35:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-02 12:35:18,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:18,923 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:18,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:19,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:19,125 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:19,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 706992602, now seen corresponding path program 1 times [2024-11-02 12:35:19,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201684012] [2024-11-02 12:35:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:19,127 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 12:35:19,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:19,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:19,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:19,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:35:19,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:19,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:19,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-02 12:35:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-02 12:35:20,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:35:20,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:35:20,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201684012] [2024-11-02 12:35:20,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201684012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:20,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:20,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:35:20,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950492370] [2024-11-02 12:35:20,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:20,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:35:20,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:35:20,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:35:20,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:35:20,019 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:35:21,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:35:21,075 INFO L93 Difference]: Finished difference Result 164 states and 232 transitions. [2024-11-02 12:35:21,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:35:21,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 114 [2024-11-02 12:35:21,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:35:21,078 INFO L225 Difference]: With dead ends: 164 [2024-11-02 12:35:21,078 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 12:35:21,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:35:21,080 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:35:21,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 342 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-02 12:35:21,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 12:35:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-02 12:35:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-02 12:35:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 116 transitions. [2024-11-02 12:35:21,092 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 116 transitions. Word has length 114 [2024-11-02 12:35:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:35:21,093 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 116 transitions. [2024-11-02 12:35:21,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-02 12:35:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2024-11-02 12:35:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-02 12:35:21,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:21,096 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:21,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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)] Ended with exit code 0 [2024-11-02 12:35:21,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:21,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:35:21,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:21,298 INFO L85 PathProgramCache]: Analyzing trace with hash 184993312, now seen corresponding path program 1 times [2024-11-02 12:35:21,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:35:21,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323992057] [2024-11-02 12:35:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:21,300 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 12:35:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:35:21,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 12:35:21,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f87d4ae9-e823-4ff6-8ac9-9a83ccde767c/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 (5)] Waiting until timeout for monitored process [2024-11-02 12:35:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:21,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-02 12:35:21,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:35:21,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-02 12:35:22,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2024-11-02 12:35:22,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-11-02 12:35:23,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:23,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 57 [2024-11-02 12:35:25,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:25,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 73 [2024-11-02 12:35:26,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:26,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 86 [2024-11-02 12:35:27,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:27,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 104 treesize of output 100 [2024-11-02 12:35:28,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:28,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 93 treesize of output 114 [2024-11-02 12:35:30,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:30,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 131 [2024-11-02 12:35:31,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:31,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 132 treesize of output 152 [2024-11-02 12:35:31,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:31,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 144 treesize of output 167 [2024-11-02 12:35:32,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:35:32,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 184 treesize of output 88 [2024-11-02 12:35:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 276 proven. 60 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-02 12:35:32,503 INFO L311 TraceCheckSpWp]: Computing backward predicates...