./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:51,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:51,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:28:51,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:51,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:51,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:51,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:51,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:51,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:51,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:51,425 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:51,425 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:51,426 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:51,426 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:51,428 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:51,428 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:51,430 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:51,431 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:51,431 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:51,432 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:51,436 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:51,437 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:51,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:51,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:51,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:51,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:51,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:51,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:51,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:51,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:51,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:51,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:51,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:51,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:51,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:51,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:51,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:51,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:51,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:51,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:51,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:51,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:51,444 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:51,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:51,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:51,445 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:51,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:51,446 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 [2024-11-02 12:28:51,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:51,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:51,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:51,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:51,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:51,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i Unable to find full path for "g++" [2024-11-02 12:28:53,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:54,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:54,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-02 12:28:54,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/87aee7a48/38285a0b59d147799e46f4a1e1b60168/FLAG50cf35cbc [2024-11-02 12:28:54,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/87aee7a48/38285a0b59d147799e46f4a1e1b60168 [2024-11-02 12:28:54,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:54,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:54,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:54,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:54,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:54,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54, skipping insertion in model container [2024-11-02 12:28:54,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:54,399 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-02 12:28:54,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:54,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:54,529 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-02 12:28:54,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:54,626 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:54,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54 WrapperNode [2024-11-02 12:28:54,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:54,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:54,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:54,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:54,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,702 INFO L138 Inliner]: procedures = 29, calls = 171, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-11-02 12:28:54,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:54,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:54,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:54,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:54,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:54,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:54,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:54,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:54,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (1/1) ... [2024-11-02 12:28:54,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:54,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:54,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:54,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:28:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:28:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:28:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:28:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:28:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:54,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:54,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:55,699 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:55,699 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:56,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:56,242 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:56,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:56 BoogieIcfgContainer [2024-11-02 12:28:56,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:56,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:56,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:56,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:56,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:54" (1/3) ... [2024-11-02 12:28:56,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8b3520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:56, skipping insertion in model container [2024-11-02 12:28:56,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:54" (2/3) ... [2024-11-02 12:28:56,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8b3520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:56, skipping insertion in model container [2024-11-02 12:28:56,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:56" (3/3) ... [2024-11-02 12:28:56,255 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-20.i [2024-11-02 12:28:56,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:56,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:56,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:56,379 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;@cd5baad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:56,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:28:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-02 12:28:56,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:56,396 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:56,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:56,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:56,403 INFO L85 PathProgramCache]: Analyzing trace with hash -587409582, now seen corresponding path program 1 times [2024-11-02 12:28:56,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549025691] [2024-11-02 12:28:56,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:56,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:57,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:58,655 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:58,657 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:58,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:58,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:28:58,666 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:58,772 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:58,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:58 BoogieIcfgContainer [2024-11-02 12:28:58,778 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:58,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:58,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:58,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:58,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:56" (3/4) ... [2024-11-02 12:28:58,785 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:58,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:58,788 INFO L158 Benchmark]: Toolchain (without parser) took 4652.60ms. Allocated memory was 125.8MB in the beginning and 216.0MB in the end (delta: 90.2MB). Free memory was 86.8MB in the beginning and 160.9MB in the end (delta: -74.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,789 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:58,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.65ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 70.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.82ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 65.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,794 INFO L158 Benchmark]: Boogie Preprocessor took 82.90ms. Allocated memory is still 125.8MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,794 INFO L158 Benchmark]: RCFGBuilder took 1456.65ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 62.1MB in the beginning and 132.3MB in the end (delta: -70.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,795 INFO L158 Benchmark]: TraceAbstraction took 2532.30ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 131.3MB in the beginning and 160.9MB in the end (delta: -29.7MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,795 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 216.0MB. Free memory was 160.9MB in the beginning and 160.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:58,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.65ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 70.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.82ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 65.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.90ms. Allocated memory is still 125.8MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1456.65ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 62.1MB in the beginning and 132.3MB in the end (delta: -70.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2532.30ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 131.3MB in the beginning and 160.9MB in the end (delta: -29.7MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 216.0MB. Free memory was 160.9MB in the beginning and 160.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2] = { 4.6, 10.2 }; [L28-L30] float float_Array_0[5] = { 999999999999.4, 8.5, 2.95, 0.0, 0.6 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 100, 1, 128 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2][2] = { {25, 256}, {1, 3724367395} }; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] double_Array_0[0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L74] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 4611686.018427382800e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] float_Array_0[0] = __VERIFIER_nondet_float() [L76] EXPR float_Array_0[0] [L76] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L76] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) [L76] EXPR float_Array_0[0] [L76] EXPR float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F [L76] EXPR float_Array_0[0] [L76] EXPR float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F [L76] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] float_Array_0[1] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[1] [L78] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L78] EXPR float_Array_0[1] [L78] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L78] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] float_Array_0[2] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[2] [L80] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L80] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) [L80] EXPR float_Array_0[2] [L80] EXPR float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F [L80] EXPR float_Array_0[2] [L80] EXPR float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F [L80] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] float_Array_0[3] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[3] [L82] EXPR float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F [L82] EXPR (float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) [L82] EXPR float_Array_0[3] [L82] EXPR float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F [L82] EXPR float_Array_0[3] [L82] EXPR float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F [L82] EXPR (float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((float_Array_0[3] >= 4611686.018427382800e+12F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 9223372.036854765600e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L87] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] unsigned_long_int_Array_0[0][0] = __VERIFIER_nondet_ulong() [L90] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] EXPR unsigned_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_long_int_Array_0[0][0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L93] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] EXPR unsigned_long_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 3221225470) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 3221225470) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] EXPR unsigned_long_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L110] RET updateVariables() [L111] CALL step() [L40] BOOL_unsigned_char_Array_0[1] [L40] COND TRUE BOOL_unsigned_char_Array_0[1] [L41] EXPR float_Array_0[3] [L41] EXPR float_Array_0[2] [L41] EXPR float_Array_0[1] [L41] float_Array_0[4] = ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]) [L45] EXPR float_Array_0[2] [L45] EXPR float_Array_0[3] [L45] EXPR double_Array_0[0] [L45] double_Array_0[1] = ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])) [L46] EXPR unsigned_long_int_Array_0[1][0] [L46] unsigned long int stepLocal_2 = unsigned_long_int_Array_0[1][0]; [L47] signed long int stepLocal_1 = 5; [L48] EXPR unsigned_long_int_Array_0[1][1] [L48] COND FALSE !(stepLocal_1 >= unsigned_long_int_Array_0[1][1]) [L59] EXPR BOOL_unsigned_char_Array_0[1] [L59] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[1]; [L60] EXPR BOOL_unsigned_char_Array_0[0] [L60] COND TRUE BOOL_unsigned_char_Array_0[0] || stepLocal_0 [L61] EXPR unsigned_long_int_Array_0[1][1] [L61] EXPR unsigned_char_Array_0[1] [L61] EXPR unsigned_char_Array_0[1] [L61] unsigned_long_int_Array_0[0][1] = ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR BOOL_unsigned_char_Array_0[1] [L102] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0]))) [L102] EXPR float_Array_0[4] [L102] EXPR float_Array_0[3] [L102] EXPR float_Array_0[2] [L102] EXPR float_Array_0[1] [L102] EXPR BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0]))) [L102] EXPR (BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0])))) [L102] EXPR ((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))) [L102] EXPR (((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))) && ((5 >= unsigned_long_int_Array_0[1][1]) ? ((float_Array_0[4] >= double_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) (128 - 16))) : ((unsigned_long_int_Array_0[1][0] >= ((((unsigned_long_int_Array_0[0][0]) < 0 ) ? -(unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[0][0])))) ? (unsigned_char_Array_0[1] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) : 1) [L102-L103] return (((BOOL_unsigned_char_Array_0[1] ? (float_Array_0[4] == ((float) ((float_Array_0[3] - float_Array_0[2]) - float_Array_0[1]))) : (float_Array_0[4] == ((float) (float_Array_0[2] + float_Array_0[0])))) && (double_Array_0[1] == ((double) ((15.5 + float_Array_0[2]) - (float_Array_0[3] - double_Array_0[0]))))) && ((BOOL_unsigned_char_Array_0[0] || BOOL_unsigned_char_Array_0[1]) ? (unsigned_long_int_Array_0[0][1] == ((unsigned long int) ((unsigned_long_int_Array_0[1][1] - unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0][1] == ((unsigned long int) (unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))) && ((5 >= unsigned_long_int_Array_0[1][1]) ? ((float_Array_0[4] >= double_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) (128 - 16))) : ((unsigned_long_int_Array_0[1][0] >= ((((unsigned_long_int_Array_0[0][0]) < 0 ) ? -(unsigned_long_int_Array_0[0][0]) : (unsigned_long_int_Array_0[0][0])))) ? (unsigned_char_Array_0[1] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])))) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 12:28:58,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:01,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:01,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:29:01,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:01,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:01,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:01,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:01,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:01,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:01,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:01,548 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:01,549 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:01,549 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:01,550 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:01,553 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:01,554 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:01,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:01,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:01,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:29:01,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:29:01,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:01,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:01,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:01,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:01,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:29:01,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:29:01,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:01,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:29:01,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:29:01,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:01,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:01,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:01,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:29:01,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:01,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:01,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:01,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:01,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:01,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:01,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:29:01,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:01,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:01,571 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:01,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:01,571 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abbff6ecf7c52e46d71543d2bdba93ca4d1ac478e10fca6c71bd3d1c9baf5e12 [2024-11-02 12:29:02,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:02,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:02,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:02,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:02,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:02,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i Unable to find full path for "g++" [2024-11-02 12:29:04,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:04,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:04,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i [2024-11-02 12:29:04,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/090aa207d/e272abe43b464dc79fac71de4f93e59f/FLAGea215220b [2024-11-02 12:29:04,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/data/090aa207d/e272abe43b464dc79fac71de4f93e59f [2024-11-02 12:29:04,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:04,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:04,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:04,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:04,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:04,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:04" (1/1) ... [2024-11-02 12:29:04,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f85b134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:04, skipping insertion in model container [2024-11-02 12:29:04,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:04" (1/1) ... [2024-11-02 12:29:05,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:05,297 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-02 12:29:05,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:05,464 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:05,479 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_d6ff5144-74c1-4337-bb27-cdcae1245b8d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-20.i[916,929] [2024-11-02 12:29:05,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:05,611 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:05,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05 WrapperNode [2024-11-02 12:29:05,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:05,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:05,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:05,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:05,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,792 INFO L138 Inliner]: procedures = 36, calls = 171, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 495 [2024-11-02 12:29:05,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:05,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:05,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:05,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:05,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:05,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:05,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:05,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:05,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (1/1) ... [2024-11-02 12:29:05,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:05,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:05,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:29:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:29:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:29:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:29:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:29:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:29:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:29:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:29:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:29:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:29:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-02 12:29:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:29:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:29:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:29:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:29:06,096 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:06,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:11,834 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:11,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:11,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:11,857 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:29:11,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:11 BoogieIcfgContainer [2024-11-02 12:29:11,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:11,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:11,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:11,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:11,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:04" (1/3) ... [2024-11-02 12:29:11,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:11, skipping insertion in model container [2024-11-02 12:29:11,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:05" (2/3) ... [2024-11-02 12:29:11,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281e1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:11, skipping insertion in model container [2024-11-02 12:29:11,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:11" (3/3) ... [2024-11-02 12:29:11,874 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-20.i [2024-11-02 12:29:11,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:11,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:29:12,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:12,010 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;@36f9061f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:12,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:29:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:29:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-02 12:29:12,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:12,039 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:12,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:12,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1837224321, now seen corresponding path program 1 times [2024-11-02 12:29:12,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:12,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088959948] [2024-11-02 12:29:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:12,060 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 12:29:12,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:12,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:12,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:13,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:29:13,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-02 12:29:13,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:13,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:13,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088959948] [2024-11-02 12:29:13,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088959948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:13,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:13,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:29:13,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126565841] [2024-11-02 12:29:13,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:13,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:29:13,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:13,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:29:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:29:13,486 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:29:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:13,542 INFO L93 Difference]: Finished difference Result 219 states and 347 transitions. [2024-11-02 12:29:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:29:13,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-02 12:29:13,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:13,557 INFO L225 Difference]: With dead ends: 219 [2024-11-02 12:29:13,558 INFO L226 Difference]: Without dead ends: 109 [2024-11-02 12:29:13,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 12:29:13,567 INFO L432 NwaCegarLoop]: 156 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, 156 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 12:29:13,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-02 12:29:13,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-02 12:29:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:29:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-02 12:29:13,639 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 152 [2024-11-02 12:29:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:13,640 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-02 12:29:13,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:29:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-02 12:29:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-02 12:29:13,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:13,646 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:13,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:13,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:13,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:13,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:13,848 INFO L85 PathProgramCache]: Analyzing trace with hash 288568115, now seen corresponding path program 1 times [2024-11-02 12:29:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:13,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685108473] [2024-11-02 12:29:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:13,851 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 12:29:13,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:13,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:13,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:14,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:29:14,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-02 12:29:15,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:15,053 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:15,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685108473] [2024-11-02 12:29:15,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685108473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:15,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:15,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:29:15,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626280914] [2024-11-02 12:29:15,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:15,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:29:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:15,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:29:15,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:29:15,066 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:29:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:15,203 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-02 12:29:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:29:15,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2024-11-02 12:29:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:15,210 INFO L225 Difference]: With dead ends: 217 [2024-11-02 12:29:15,211 INFO L226 Difference]: Without dead ends: 111 [2024-11-02 12:29:15,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 149 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 12:29:15,217 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:15,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:29:15,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-02 12:29:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-02 12:29:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-02 12:29:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-02 12:29:15,245 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 152 [2024-11-02 12:29:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:15,248 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-02 12:29:15,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:29:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-02 12:29:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-02 12:29:15,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:15,252 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:15,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:15,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:15,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:29:15,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:15,454 INFO L85 PathProgramCache]: Analyzing trace with hash 170126641, now seen corresponding path program 1 times [2024-11-02 12:29:15,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:29:15,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008220485] [2024-11-02 12:29:15,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:15,456 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 12:29:15,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:29:15,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:15,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6ff5144-74c1-4337-bb27-cdcae1245b8d/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 12:29:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:16,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:29:16,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:17,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:29:17,156 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 155 treesize of output 65 [2024-11-02 12:29:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-02 12:29:17,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:29:17,303 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:17,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008220485] [2024-11-02 12:29:17,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008220485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:17,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:17,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:29:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112112454] [2024-11-02 12:29:17,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:17,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:29:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:29:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:29:17,310 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-02 12:29:21,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:29:23,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:29:25,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []