./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 9d5c0cca82b2b1013f4104737c9e937fc2a95196aace035533aadd05da24a612 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:10,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:10,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:34:10,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:10,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:11,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:11,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:11,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:11,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:11,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:11,014 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:11,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:11,015 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:11,016 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:34:11,016 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:11,016 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:11,017 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:34:11,017 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:34:11,018 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:11,018 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:34:11,018 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:34:11,023 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:34:11,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:11,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:11,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:11,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:34:11,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:11,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:11,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:11,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:11,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:11,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:11,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:11,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:11,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:11,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:11,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:11,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:11,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:11,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:11,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:11,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:11,035 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:34:11,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:34:11,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:11,037 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:11,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:11,037 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5c0cca82b2b1013f4104737c9e937fc2a95196aace035533aadd05da24a612 [2024-11-02 12:34:11,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:11,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:11,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:11,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:11,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:11,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i Unable to find full path for "g++" [2024-11-02 12:34:13,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:13,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:13,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i [2024-11-02 12:34:13,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/c872fff5f/431e82da290c4356a9621152135a6da6/FLAGf81e910bb [2024-11-02 12:34:14,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/c872fff5f/431e82da290c4356a9621152135a6da6 [2024-11-02 12:34:14,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:14,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:14,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:14,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:14,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:14,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b494453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14, skipping insertion in model container [2024-11-02 12:34:14,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:14,394 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i[916,929] [2024-11-02 12:34:14,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:14,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:14,484 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i[916,929] [2024-11-02 12:34:14,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:14,570 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:14,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14 WrapperNode [2024-11-02 12:34:14,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:14,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:14,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:14,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:14,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,651 INFO L138 Inliner]: procedures = 29, calls = 131, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2024-11-02 12:34:14,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:14,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:14,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:14,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:14,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:14,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:14,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:14,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:14,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (1/1) ... [2024-11-02 12:34:14,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:14,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:14,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:34:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:34:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:34:14,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:34:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:15,062 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:15,065 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:15,669 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:15,669 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:16,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:16,300 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:16,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:16 BoogieIcfgContainer [2024-11-02 12:34:16,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:16,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:16,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:16,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:16,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:14" (1/3) ... [2024-11-02 12:34:16,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747e01b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:16, skipping insertion in model container [2024-11-02 12:34:16,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:14" (2/3) ... [2024-11-02 12:34:16,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747e01b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:16, skipping insertion in model container [2024-11-02 12:34:16,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:16" (3/3) ... [2024-11-02 12:34:16,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-79.i [2024-11-02 12:34:16,338 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:16,339 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:16,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:16,430 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;@c665ea2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:16,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:34:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-02 12:34:16,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:16,444 INFO L215 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:16,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:16,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1049391432, now seen corresponding path program 1 times [2024-11-02 12:34:16,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:16,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486728161] [2024-11-02 12:34:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:34:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:34:18,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111003846] [2024-11-02 12:34:18,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:34:18,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:18,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:34:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:34:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:18,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:34:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:34:19,104 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:34:19,107 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:34:19,108 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:34:19,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:34:19,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:34:19,318 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:34:19,449 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:34:19,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:34:19 BoogieIcfgContainer [2024-11-02 12:34:19,455 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:34:19,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:34:19,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:34:19,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:34:19,457 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:16" (3/4) ... [2024-11-02 12:34:19,461 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:34:19,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:34:19,463 INFO L158 Benchmark]: Toolchain (without parser) took 5316.50ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 104.9MB in the beginning and 113.5MB in the end (delta: -8.5MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,465 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:34:19,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.94ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 88.7MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.88ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 85.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,468 INFO L158 Benchmark]: Boogie Preprocessor took 99.11ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,469 INFO L158 Benchmark]: RCFGBuilder took 1549.84ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 82.4MB in the beginning and 117.7MB in the end (delta: -35.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,469 INFO L158 Benchmark]: TraceAbstraction took 3150.87ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 113.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:34:19,472 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 201.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:34:19,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.94ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 88.7MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.88ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 85.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.11ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1549.84ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 82.4MB in the beginning and 117.7MB in the end (delta: -35.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3150.87ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 113.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 201.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of shiftRight at line 45. 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] = { 1.6, 32.5 }; [L28-L30] float float_Array_0[1] = { 15.5 }; [L31-L33] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -64 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L40] unsigned short int last_1_unsigned_short_int_Array_0_0_ = 32; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] EXPR unsigned_short_int_Array_0[0] [L92] last_1_unsigned_short_int_Array_0_0_ = unsigned_short_int_Array_0[0] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L72] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L73] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L73] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] double_Array_0[0] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L76] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] double_Array_0[1] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L78] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L82] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_char_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(signed_char_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L85] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[1][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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L88] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] RET updateVariables() [L104] CALL step() [L44] EXPR signed_char_Array_0[0][0] [L44] EXPR ((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_) [L44] EXPR signed_char_Array_0[0][0] [L44] EXPR ((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_) [L44] signed long int stepLocal_0 = (((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_)); [L45] EXPR signed_char_Array_0[1][0] [L45] EXPR signed_char_Array_0[0][1] [L45] EXPR last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1] [L45] COND TRUE stepLocal_0 <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1])) [L46] EXPR double_Array_0[1] [L46] EXPR double_Array_0[0] [L46] COND TRUE (- double_Array_0[1]) >= double_Array_0[0] [L47] EXPR signed_char_Array_0[1][0] [L47] signed_long_int_Array_0[0] = signed_char_Array_0[1][0] [L54] EXPR signed_char_Array_0[0][0] [L54] EXPR signed_long_int_Array_0[0] [L54] signed long int stepLocal_1 = signed_char_Array_0[0][0] + signed_long_int_Array_0[0]; [L55] EXPR float_Array_0[0] [L55] EXPR double_Array_0[0] [L55] COND TRUE float_Array_0[0] < double_Array_0[0] [L56] EXPR signed_long_int_Array_0[0] [L56] COND FALSE !(stepLocal_1 <= (~ (signed_long_int_Array_0[0] % -32))) [L59] EXPR signed_char_Array_0[0][0] [L59] unsigned_short_int_Array_0[0] = signed_char_Array_0[0][0] [L62] EXPR BOOL_unsigned_char_Array_0[1] [L62] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L63] EXPR BOOL_unsigned_char_Array_0[0] [L63] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L64] EXPR BOOL_unsigned_char_Array_0[0] [L64] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L65] EXPR signed_char_Array_0[0][1] [L65] signed_char_Array_0[1][1] = (signed_char_Array_0[0][1] + -32) [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR BOOL_unsigned_char_Array_0[0] [L95] EXPR (! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1 [L95] EXPR BOOL_unsigned_char_Array_0[0] [L95] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16)))))) [L95] EXPR signed_char_Array_0[1][1] [L95] EXPR signed_char_Array_0[0][1] [L95] EXPR (! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16)))))) [L95] EXPR (! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1 [L95] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1) && ((((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) [L95] EXPR signed_char_Array_0[0][0] [L95] EXPR ((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_) [L95] EXPR signed_char_Array_0[0][0] [L95] EXPR ((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_) [L95] EXPR signed_char_Array_0[1][0] [L95] EXPR signed_char_Array_0[0][1] [L95] EXPR last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1] [L95] EXPR (((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])) [L95] EXPR double_Array_0[1] [L95] EXPR double_Array_0[0] [L95] EXPR ((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])) [L95] EXPR signed_long_int_Array_0[0] [L95] EXPR signed_char_Array_0[0][0] [L95] EXPR ((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])) [L95] EXPR (((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])) [L95] EXPR ((! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1) && ((((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) [L95] EXPR (((! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1) && ((((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])))) && ((float_Array_0[0] < double_Array_0[0]) ? (((signed_char_Array_0[0][0] + signed_long_int_Array_0[0]) <= (~ (signed_long_int_Array_0[0] % -32))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0]))) : 1) [L95] EXPR ((((! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1) && ((((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])))) && ((float_Array_0[0] < double_Array_0[0]) ? (((signed_char_Array_0[0][0] + signed_long_int_Array_0[0]) <= (~ (signed_long_int_Array_0[0] % -32))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) [L95-L96] return ((((! BOOL_unsigned_char_Array_0[0]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[0][1] + -32))) : (signed_char_Array_0[1][1] == ((signed char) (signed_char_Array_0[1][0] - ((((signed_char_Array_0[0][0]) < (16)) ? (signed_char_Array_0[0][0]) : (16))))))) : 1) && ((((((signed_char_Array_0[0][0]) > (last_1_unsigned_short_int_Array_0_0_)) ? (signed_char_Array_0[0][0]) : (last_1_unsigned_short_int_Array_0_0_))) <= (signed_char_Array_0[1][0] * (last_1_unsigned_short_int_Array_0_0_ >> signed_char_Array_0[0][1]))) ? (((- double_Array_0[1]) >= double_Array_0[0]) ? (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[1][0])) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0]))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0][0])))) && ((float_Array_0[0] < double_Array_0[0]) ? (((signed_char_Array_0[0][0] + signed_long_int_Array_0[0]) <= (~ (signed_long_int_Array_0[0] % -32))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0])) : (unsigned_short_int_Array_0[0] == ((unsigned short int) signed_char_Array_0[0][0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) ; [L105] RET, EXPR property() [L105] 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, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred 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: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:34:19,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 9d5c0cca82b2b1013f4104737c9e937fc2a95196aace035533aadd05da24a612 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:22,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:22,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:34:22,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:22,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:22,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:22,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:22,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:22,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:22,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:22,341 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:22,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:22,342 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:22,342 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:22,342 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:22,343 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:22,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:22,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:22,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:34:22,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:34:22,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:22,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:22,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:22,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:22,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:34:22,351 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:34:22,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:22,352 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:34:22,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:34:22,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:22,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:22,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:22,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:34:22,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:22,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:22,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:22,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:22,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:22,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:22,355 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:34:22,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:34:22,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:22,357 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:22,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:22,358 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d5c0cca82b2b1013f4104737c9e937fc2a95196aace035533aadd05da24a612 [2024-11-02 12:34:22,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:22,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:22,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:22,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:22,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:22,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i Unable to find full path for "g++" [2024-11-02 12:34:25,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:25,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:25,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i [2024-11-02 12:34:25,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/c1e3bba34/b2eb9f7f191c4068aba9e9f79d969f67/FLAGe4a9c58f2 [2024-11-02 12:34:25,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/data/c1e3bba34/b2eb9f7f191c4068aba9e9f79d969f67 [2024-11-02 12:34:25,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:25,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:25,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:25,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:25,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:25,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:25" (1/1) ... [2024-11-02 12:34:25,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40796805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:25, skipping insertion in model container [2024-11-02 12:34:25,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:25" (1/1) ... [2024-11-02 12:34:25,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:26,000 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i[916,929] [2024-11-02 12:34:26,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:26,150 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:26,164 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_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-79.i[916,929] [2024-11-02 12:34:26,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:26,279 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:26,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26 WrapperNode [2024-11-02 12:34:26,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:26,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:26,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:26,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:26,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,373 INFO L138 Inliner]: procedures = 39, calls = 131, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 396 [2024-11-02 12:34:26,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:26,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:26,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:26,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:26,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:26,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:26,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:26,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:26,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (1/1) ... [2024-11-02 12:34:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:26,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:26,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-02 12:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-02 12:34:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 12:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:34:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-02 12:34:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 12:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:34:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-02 12:34:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:34:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:34:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:34:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 12:34:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:34:26,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:34:26,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:34:27,860 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-02 12:34:27,860 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:34:27,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:34:27,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:34:27,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:27 BoogieIcfgContainer [2024-11-02 12:34:27,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:34:27,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:34:27,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:34:27,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:34:27,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:25" (1/3) ... [2024-11-02 12:34:27,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f74b5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:27, skipping insertion in model container [2024-11-02 12:34:27,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:26" (2/3) ... [2024-11-02 12:34:27,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f74b5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:34:27, skipping insertion in model container [2024-11-02 12:34:27,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:34:27" (3/3) ... [2024-11-02 12:34:27,885 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-79.i [2024-11-02 12:34:27,903 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:34:27,903 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:34:27,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:34:27,973 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;@79cef6d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:34:27,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:34:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:34:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:34:27,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:27,993 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:27,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:27,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash 503815468, now seen corresponding path program 1 times [2024-11-02 12:34:28,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:28,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067359278] [2024-11-02 12:34:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:28,018 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 12:34:28,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:28,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:28,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:28,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:34:28,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-02 12:34:28,507 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:28,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067359278] [2024-11-02 12:34:28,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067359278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:28,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:28,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:34:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297464330] [2024-11-02 12:34:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:28,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:34:28,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:34:28,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:34:28,550 INFO L87 Difference]: Start difference. First operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-02 12:34:28,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:28,589 INFO L93 Difference]: Finished difference Result 175 states and 269 transitions. [2024-11-02 12:34:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:34:28,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-02 12:34:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:28,599 INFO L225 Difference]: With dead ends: 175 [2024-11-02 12:34:28,599 INFO L226 Difference]: Without dead ends: 87 [2024-11-02 12:34:28,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 12:34:28,605 INFO L432 NwaCegarLoop]: 125 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, 125 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 12:34:28,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:34:28,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-02 12:34:28,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-02 12:34:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:34:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2024-11-02 12:34:28,664 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 100 [2024-11-02 12:34:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:28,665 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2024-11-02 12:34:28,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-02 12:34:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-02 12:34:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:34:28,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:28,669 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:28,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:28,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:28,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:28,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2139841186, now seen corresponding path program 1 times [2024-11-02 12:34:28,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:28,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791604610] [2024-11-02 12:34:28,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:28,873 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 12:34:28,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:28,877 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:29,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:34:29,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-02 12:34:29,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:29,241 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:29,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791604610] [2024-11-02 12:34:29,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791604610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:29,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:29,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:34:29,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255768731] [2024-11-02 12:34:29,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:29,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:34:29,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:29,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:34:29,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:29,251 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-02 12:34:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:29,348 INFO L93 Difference]: Finished difference Result 173 states and 250 transitions. [2024-11-02 12:34:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:34:29,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-02 12:34:29,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:29,351 INFO L225 Difference]: With dead ends: 173 [2024-11-02 12:34:29,351 INFO L226 Difference]: Without dead ends: 89 [2024-11-02 12:34:29,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 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 12:34:29,353 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 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 12:34:29,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:29,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-02 12:34:29,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-02 12:34:29,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:34:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-02 12:34:29,371 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 100 [2024-11-02 12:34:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:29,373 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-02 12:34:29,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-02 12:34:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-02 12:34:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-02 12:34:29,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:29,377 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:29,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:29,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:29,580 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:29,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:29,581 INFO L85 PathProgramCache]: Analyzing trace with hash 814984992, now seen corresponding path program 1 times [2024-11-02 12:34:29,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:29,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605604036] [2024-11-02 12:34:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:29,586 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 12:34:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:29,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:29,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:29,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:34:29,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-02 12:34:29,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:29,999 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:29,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605604036] [2024-11-02 12:34:30,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605604036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:30,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:30,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:34:30,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761216046] [2024-11-02 12:34:30,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:30,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:34:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:30,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:34:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:34:30,004 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:30,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:30,098 INFO L93 Difference]: Finished difference Result 177 states and 254 transitions. [2024-11-02 12:34:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:34:30,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2024-11-02 12:34:30,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:30,106 INFO L225 Difference]: With dead ends: 177 [2024-11-02 12:34:30,107 INFO L226 Difference]: Without dead ends: 91 [2024-11-02 12:34:30,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 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 12:34:30,109 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 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 12:34:30,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:30,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-02 12:34:30,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-02 12:34:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 12:34:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-02 12:34:30,132 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 100 [2024-11-02 12:34:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:30,133 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-02 12:34:30,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-02 12:34:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-02 12:34:30,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:30,136 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:30,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:34:30,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:30,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:30,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash 270030619, now seen corresponding path program 1 times [2024-11-02 12:34:30,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:30,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488799527] [2024-11-02 12:34:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:30,350 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 12:34:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:30,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:30,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:34:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:30,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:34:30,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:30,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-02 12:34:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-02 12:34:31,122 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:31,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:31,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488799527] [2024-11-02 12:34:31,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488799527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:31,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:31,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:34:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084690925] [2024-11-02 12:34:31,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:31,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:34:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:34:31,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:34:31,133 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:34,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:34,329 INFO L93 Difference]: Finished difference Result 213 states and 298 transitions. [2024-11-02 12:34:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:34:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2024-11-02 12:34:34,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:34,334 INFO L225 Difference]: With dead ends: 213 [2024-11-02 12:34:34,336 INFO L226 Difference]: Without dead ends: 125 [2024-11-02 12:34:34,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:34:34,339 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 40 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:34,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 414 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-02 12:34:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-02 12:34:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2024-11-02 12:34:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 106 states have (on average 1.349056603773585) internal successors, (143), 107 states have internal predecessors, (143), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:34:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 169 transitions. [2024-11-02 12:34:34,357 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 169 transitions. Word has length 102 [2024-11-02 12:34:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:34,362 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 169 transitions. [2024-11-02 12:34:34,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 169 transitions. [2024-11-02 12:34:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-02 12:34:34,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:34,368 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:34,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:34,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:34,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:34,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:34,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1690934070, now seen corresponding path program 1 times [2024-11-02 12:34:34,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:34,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431728962] [2024-11-02 12:34:34,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:34,575 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 12:34:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:34,579 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:34,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 (6)] Waiting until timeout for monitored process [2024-11-02 12:34:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:34,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:34:34,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-02 12:34:34,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:34,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:34,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431728962] [2024-11-02 12:34:34,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [431728962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:34,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:34,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:34:34,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581568722] [2024-11-02 12:34:34,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:34,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:34:34,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:34,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:34:34,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:34:34,942 INFO L87 Difference]: Start difference. First operand 122 states and 169 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:35,030 INFO L93 Difference]: Finished difference Result 249 states and 346 transitions. [2024-11-02 12:34:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:34:35,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-02 12:34:35,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:35,035 INFO L225 Difference]: With dead ends: 249 [2024-11-02 12:34:35,035 INFO L226 Difference]: Without dead ends: 130 [2024-11-02 12:34:35,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:34:35,038 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:35,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 467 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:34:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-02 12:34:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2024-11-02 12:34:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 113 states have internal predecessors, (149), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:34:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 175 transitions. [2024-11-02 12:34:35,054 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 175 transitions. Word has length 103 [2024-11-02 12:34:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:35,055 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 175 transitions. [2024-11-02 12:34:35,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:34:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2024-11-02 12:34:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-02 12:34:35,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:35,058 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:35,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 (6)] Ended with exit code 0 [2024-11-02 12:34:35,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:35,259 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:35,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:35,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1689087028, now seen corresponding path program 1 times [2024-11-02 12:34:35,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:35,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030001777] [2024-11-02 12:34:35,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:35,261 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 12:34:35,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:35,263 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:35,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 (7)] Waiting until timeout for monitored process [2024-11-02 12:34:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:35,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-02 12:34:35,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:36,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-02 12:34:37,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:34:37,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-02 12:34:37,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2024-11-02 12:34:37,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-02 12:34:37,684 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 100 treesize of output 52 [2024-11-02 12:34:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-02 12:34:37,811 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:37,811 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:34:37,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030001777] [2024-11-02 12:34:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030001777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:37,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:34:37,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-02 12:34:37,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094894141] [2024-11-02 12:34:37,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:37,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-02 12:34:37,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:34:37,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-02 12:34:37,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-02 12:34:37,815 INFO L87 Difference]: Start difference. First operand 128 states and 175 transitions. Second operand has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-02 12:34:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:42,180 INFO L93 Difference]: Finished difference Result 396 states and 526 transitions. [2024-11-02 12:34:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-02 12:34:42,182 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-11-02 12:34:42,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:42,184 INFO L225 Difference]: With dead ends: 396 [2024-11-02 12:34:42,185 INFO L226 Difference]: Without dead ends: 271 [2024-11-02 12:34:42,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2024-11-02 12:34:42,187 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 256 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:42,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 851 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-02 12:34:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-02 12:34:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 151. [2024-11-02 12:34:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 134 states have (on average 1.3432835820895523) internal successors, (180), 135 states have internal predecessors, (180), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-02 12:34:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 206 transitions. [2024-11-02 12:34:42,208 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 206 transitions. Word has length 103 [2024-11-02 12:34:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:42,209 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 206 transitions. [2024-11-02 12:34:42,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-02 12:34:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2024-11-02 12:34:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-02 12:34:42,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:42,211 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:42,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 (7)] Ended with exit code 0 [2024-11-02 12:34:42,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:42,415 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:42,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1199491981, now seen corresponding path program 1 times [2024-11-02 12:34:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:34:42,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402499506] [2024-11-02 12:34:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:42,417 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 12:34:42,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:34:42,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 12:34:42,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93cc5bee-49e5-4f0b-9bd0-1bef2e9ed637/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 (8)] Waiting until timeout for monitored process [2024-11-02 12:34:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:42,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-02 12:34:42,880 INFO L278 TraceCheckSpWp]: Computing forward predicates...