./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:09,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:09,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:23:09,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:09,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:09,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:09,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:09,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:09,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:09,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:09,382 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:09,383 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:09,383 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:09,384 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:09,385 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:09,385 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:09,386 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:09,386 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:09,387 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:09,387 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:09,388 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:09,391 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:09,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:09,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:09,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:09,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:09,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:09,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:09,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:09,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:09,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:09,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:09,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:09,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:09,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:09,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:09,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:09,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:09,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:09,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:09,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:09,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:09,407 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:09,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:09,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:09,408 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:09,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:09,409 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b [2024-11-02 11:23:09,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:09,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:09,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:09,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:09,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:09,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i Unable to find full path for "g++" [2024-11-02 11:23:12,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:12,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:12,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2024-11-02 11:23:12,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/ae09d0487/0a8b1e79ac7e4563b63533017d9ca646/FLAG69b9d2eb7 [2024-11-02 11:23:12,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/ae09d0487/0a8b1e79ac7e4563b63533017d9ca646 [2024-11-02 11:23:12,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:12,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:12,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:12,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:12,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:12,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:12" (1/1) ... [2024-11-02 11:23:12,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756a045d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:12, skipping insertion in model container [2024-11-02 11:23:12,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:12" (1/1) ... [2024-11-02 11:23:12,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:12,934 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2024-11-02 11:23:13,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:13,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:13,031 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2024-11-02 11:23:13,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:13,097 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:13,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13 WrapperNode [2024-11-02 11:23:13,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:13,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:13,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:13,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:13,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,181 INFO L138 Inliner]: procedures = 29, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2024-11-02 11:23:13,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:13,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:13,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:13,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:13,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:13,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:13,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:13,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:13,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (1/1) ... [2024-11-02 11:23:13,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:13,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:13,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 11:23:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 11:23:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 11:23:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:13,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:13,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:14,148 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:14,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:14,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:14,833 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:23:14,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:14 BoogieIcfgContainer [2024-11-02 11:23:14,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:14,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:14,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:14,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:14,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:12" (1/3) ... [2024-11-02 11:23:14,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf9a45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:14, skipping insertion in model container [2024-11-02 11:23:14,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:13" (2/3) ... [2024-11-02 11:23:14,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf9a45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:14, skipping insertion in model container [2024-11-02 11:23:14,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:14" (3/3) ... [2024-11-02 11:23:14,842 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-29.i [2024-11-02 11:23:14,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:14,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:23:14,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:14,944 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;@358929fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:14,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:23:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 11:23:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-02 11:23:14,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:14,958 INFO L215 NwaCegarLoop]: trace histogram [6, 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 11:23:14,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:14,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:14,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1053495225, now seen corresponding path program 1 times [2024-11-02 11:23:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:23:14,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844566983] [2024-11-02 11:23:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:14,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:23:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:23:16,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:23:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:23:17,527 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:23:17,530 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:23:17,532 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:23:17,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:23:17,541 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:23:17,675 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:23:17,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:23:17 BoogieIcfgContainer [2024-11-02 11:23:17,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:23:17,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:23:17,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:23:17,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:23:17,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:14" (3/4) ... [2024-11-02 11:23:17,693 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:23:17,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:23:17,697 INFO L158 Benchmark]: Toolchain (without parser) took 5060.85ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 133.2MB in the beginning and 99.7MB in the end (delta: 33.6MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,698 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:17,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.31ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 117.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.20ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 114.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,715 INFO L158 Benchmark]: Boogie Preprocessor took 85.81ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 111.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,726 INFO L158 Benchmark]: RCFGBuilder took 1564.99ms. Allocated memory is still 163.6MB. Free memory was 111.6MB in the beginning and 83.5MB in the end (delta: 28.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,727 INFO L158 Benchmark]: TraceAbstraction took 2846.98ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 82.6MB in the beginning and 100.7MB in the end (delta: -18.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,728 INFO L158 Benchmark]: Witness Printer took 12.49ms. Allocated memory is still 203.4MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:23:17,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.31ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 117.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.20ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 114.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.81ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 111.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1564.99ms. Allocated memory is still 163.6MB. Free memory was 111.6MB in the beginning and 83.5MB in the end (delta: 28.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2846.98ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 82.6MB in the beginning and 100.7MB in the end (delta: -18.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Witness Printer took 12.49ms. Allocated memory is still 203.4MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someUnaryFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] float* var_1_1_Pointer = &(var_1_1); [L24] float var_1_3 = 9.3; [L25] float* var_1_3_Pointer = &(var_1_3); [L26] float var_1_4 = 3.4; [L27] float* var_1_4_Pointer = &(var_1_4); [L28] unsigned short int var_1_5 = 32; [L29] unsigned short int* var_1_5_Pointer = &(var_1_5); [L30] unsigned short int var_1_9 = 1; [L31] unsigned short int* var_1_9_Pointer = &(var_1_9); [L32] unsigned char var_1_10 = 8; [L33] unsigned char* var_1_10_Pointer = &(var_1_10); [L34] unsigned char var_1_11 = 5; [L35] unsigned char* var_1_11_Pointer = &(var_1_11); [L36] unsigned char var_1_12 = 1; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] unsigned char var_1_13 = 1; [L39] unsigned char* var_1_13_Pointer = &(var_1_13); [L40] unsigned char var_1_14 = 8; [L41] unsigned char* var_1_14_Pointer = &(var_1_14); [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L72] var_1_3 = __VERIFIER_nondet_float() [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F [L73] EXPR (var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ) [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F [L73] EXPR \read(var_1_3) [L73] EXPR var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F [L73] EXPR (var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] EXPR \read(var_1_4) [L75] EXPR var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F [L75] EXPR \read(var_1_4) [L75] EXPR var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F [L75] EXPR (var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L76] var_1_11 = __VERIFIER_nondet_uchar() [L77] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] var_1_13 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L94] RET updateVariables() [L95] CALL step() [L45] EXPR \read(*var_1_13_Pointer) [L45] (*(var_1_12_Pointer)) = (*(var_1_13_Pointer)) [L46] EXPR \read(*var_1_11_Pointer) [L46] (*(var_1_14_Pointer)) = (*(var_1_11_Pointer)) [L47] EXPR \read(*var_1_12_Pointer) [L47] COND TRUE (*(var_1_12_Pointer)) [L48] EXPR \read(*var_1_3_Pointer) [L48] (*(var_1_1_Pointer)) = (*(var_1_3_Pointer)) [L54] EXPR \read(*var_1_1_Pointer) [L54] EXPR \read(*var_1_1_Pointer) [L54] EXPR \read(*var_1_3_Pointer) [L54] COND FALSE !(((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) [L57] EXPR \read(*var_1_14_Pointer) [L57] (*(var_1_5_Pointer)) = (*(var_1_14_Pointer)) [L59] EXPR \read(*var_1_14_Pointer) [L59] signed long int stepLocal_0 = 5 * (*(var_1_14_Pointer)); [L60] EXPR \read(*var_1_3_Pointer) [L60] EXPR \read(*var_1_1_Pointer) [L60] EXPR (((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))) [L60] EXPR \read(*var_1_1_Pointer) [L60] EXPR (((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))) [L60] EXPR \read(*var_1_1_Pointer) [L60] COND TRUE (((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer)) [L61] EXPR \read(*var_1_14_Pointer) [L61] COND FALSE !((*(var_1_14_Pointer)) > stepLocal_0) [L67] EXPR \read(*var_1_1_Pointer) [L67] EXPR \read(*var_1_3_Pointer) [L67] COND TRUE (*(var_1_1_Pointer)) < (*(var_1_3_Pointer)) [L68] EXPR \read(*var_1_11_Pointer) [L68] (*(var_1_10_Pointer)) = (*(var_1_11_Pointer)) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR \read(*var_1_12_Pointer) [L86] EXPR (*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1) [L86] EXPR \read(*var_1_1_Pointer) [L86] EXPR \read(*var_1_3_Pointer) [L86] EXPR (*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1) [L86] EXPR ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer))))) [L86] EXPR (((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1) [L86] EXPR ((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1) [L86] EXPR (((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer)))) [L86] EXPR ((((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) [L86-L87] return ((((((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_3_Pointer)))) : ((! ((*(var_1_3_Pointer)) < (*(var_1_4_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_3_Pointer))) < 0 ) ? -((*(var_1_3_Pointer))) : ((*(var_1_3_Pointer))))))) : 1)) && ((((*(var_1_1_Pointer)) + 8.125) > ((*(var_1_1_Pointer)) * (*(var_1_3_Pointer)))) ? ((*(var_1_5_Pointer)) == ((unsigned short int) ((((((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) > ((*(var_1_14_Pointer)))) ? (((*(var_1_14_Pointer)) + (*(var_1_14_Pointer)))) : ((*(var_1_14_Pointer))))))) : ((*(var_1_5_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))))) && (((((((*(var_1_3_Pointer))) < ((*(var_1_1_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_1_Pointer))))) == (*(var_1_1_Pointer))) ? (((*(var_1_14_Pointer)) > (5 * (*(var_1_14_Pointer)))) ? (((*(var_1_1_Pointer)) < ((*(var_1_1_Pointer)) * 256.5f)) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_14_Pointer)))) : 1) : 1) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) : 1)) && ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_13_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_11_Pointer)))) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 6, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:23:17,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:21,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:21,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:23:21,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:21,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:21,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:21,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:21,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:21,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:21,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:21,397 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:21,397 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:21,398 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:21,398 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:21,401 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:21,402 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:21,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:21,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:21,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:21,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:21,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:21,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:21,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:21,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:21,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:23:21,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:23:21,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:21,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:23:21,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:21,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:21,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:21,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:21,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:23:21,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:21,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:21,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:21,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:21,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:21,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:21,416 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:23:21,416 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:23:21,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:21,427 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:21,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:21,428 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae3082e6816ab7154f1817fbd0925b1957ee0101c78958f1f0ff24c3b37d011b [2024-11-02 11:23:21,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:21,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:21,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:21,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:21,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:21,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i Unable to find full path for "g++" [2024-11-02 11:23:24,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:24,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:24,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i [2024-11-02 11:23:24,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/fd570e783/6727cde8c19141e787fa9add68466166/FLAG8d7874e85 [2024-11-02 11:23:24,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/data/fd570e783/6727cde8c19141e787fa9add68466166 [2024-11-02 11:23:24,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:24,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:24,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:24,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:24,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:24,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:24" (1/1) ... [2024-11-02 11:23:24,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a79a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:24, skipping insertion in model container [2024-11-02 11:23:24,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:24" (1/1) ... [2024-11-02 11:23:25,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:25,332 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2024-11-02 11:23:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:25,493 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:25,509 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_80dc4971-bf4f-4861-93fc-9bf6f15bc963/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-29.i[916,929] [2024-11-02 11:23:25,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:25,607 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:25,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25 WrapperNode [2024-11-02 11:23:25,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:25,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:25,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:25,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:25,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,717 INFO L138 Inliner]: procedures = 33, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2024-11-02 11:23:25,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:25,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:25,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:25,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:25,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:25,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:25,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:25,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:25,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (1/1) ... [2024-11-02 11:23:25,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:25,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 11:23:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-02 11:23:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:23:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 11:23:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-02 11:23:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 11:23:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-02 11:23:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 11:23:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-02 11:23:26,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:26,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:35,282 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:35,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:35,304 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:35,304 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:23:35,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:35 BoogieIcfgContainer [2024-11-02 11:23:35,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:35,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:35,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:35,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:35,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:24" (1/3) ... [2024-11-02 11:23:35,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a8ae15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:35, skipping insertion in model container [2024-11-02 11:23:35,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:25" (2/3) ... [2024-11-02 11:23:35,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a8ae15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:35, skipping insertion in model container [2024-11-02 11:23:35,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:35" (3/3) ... [2024-11-02 11:23:35,330 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-29.i [2024-11-02 11:23:35,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:35,352 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:23:35,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:35,459 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;@704e9d96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:35,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:23:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 11:23:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-02 11:23:35,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:35,480 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:35,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:35,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:35,486 INFO L85 PathProgramCache]: Analyzing trace with hash 355468766, now seen corresponding path program 1 times [2024-11-02 11:23:35,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:23:35,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023316649] [2024-11-02 11:23:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:35,503 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 11:23:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:23:35,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:35,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:36,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:23:36,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-02 11:23:36,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:36,111 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:23:36,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023316649] [2024-11-02 11:23:36,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023316649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:36,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:23:36,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:23:36,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614031415] [2024-11-02 11:23:36,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:36,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:23:36,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:23:36,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:23:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:23:36,183 INFO L87 Difference]: Start difference. First operand has 88 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 80 states have internal predecessors, (115), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 11:23:36,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:23:36,234 INFO L93 Difference]: Finished difference Result 169 states and 254 transitions. [2024-11-02 11:23:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:23:36,237 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-02 11:23:36,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:23:36,248 INFO L225 Difference]: With dead ends: 169 [2024-11-02 11:23:36,248 INFO L226 Difference]: Without dead ends: 84 [2024-11-02 11:23:36,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 11:23:36,261 INFO L432 NwaCegarLoop]: 120 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, 120 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 11:23:36,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:23:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-02 11:23:36,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-02 11:23:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 76 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 11:23:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2024-11-02 11:23:36,324 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 73 [2024-11-02 11:23:36,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:23:36,326 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2024-11-02 11:23:36,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-02 11:23:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2024-11-02 11:23:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-02 11:23:36,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:36,331 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:36,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:36,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:36,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1665302122, now seen corresponding path program 1 times [2024-11-02 11:23:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:23:36,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122917814] [2024-11-02 11:23:36,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:36,543 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 11:23:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:23:36,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:36,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:37,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 11:23:37,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-02 11:23:37,306 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:37,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:23:37,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122917814] [2024-11-02 11:23:37,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122917814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:37,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:23:37,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 11:23:37,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715581646] [2024-11-02 11:23:37,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:37,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 11:23:37,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:23:37,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 11:23:37,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 11:23:37,317 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 11:23:37,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:23:37,555 INFO L93 Difference]: Finished difference Result 172 states and 247 transitions. [2024-11-02 11:23:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 11:23:37,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-02 11:23:37,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:23:37,564 INFO L225 Difference]: With dead ends: 172 [2024-11-02 11:23:37,564 INFO L226 Difference]: Without dead ends: 91 [2024-11-02 11:23:37,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 11:23:37,568 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:23:37,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 544 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:23:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-02 11:23:37,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-02 11:23:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 11:23:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2024-11-02 11:23:37,591 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 73 [2024-11-02 11:23:37,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:23:37,593 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2024-11-02 11:23:37,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 11:23:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2024-11-02 11:23:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-02 11:23:37,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:37,598 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:37,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-02 11:23:37,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:37,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:37,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:37,804 INFO L85 PathProgramCache]: Analyzing trace with hash 109705240, now seen corresponding path program 1 times [2024-11-02 11:23:37,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:23:37,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477896773] [2024-11-02 11:23:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:37,806 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 11:23:37,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:23:37,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:37,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:38,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 11:23:38,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-02 11:23:38,559 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:38,559 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:23:38,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477896773] [2024-11-02 11:23:38,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477896773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:38,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:23:38,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 11:23:38,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724411212] [2024-11-02 11:23:38,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:38,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 11:23:38,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:23:38,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 11:23:38,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:23:38,563 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 11:23:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:23:38,833 INFO L93 Difference]: Finished difference Result 180 states and 253 transitions. [2024-11-02 11:23:38,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 11:23:38,834 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 73 [2024-11-02 11:23:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:23:38,839 INFO L225 Difference]: With dead ends: 180 [2024-11-02 11:23:38,839 INFO L226 Difference]: Without dead ends: 93 [2024-11-02 11:23:38,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 11:23:38,841 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 11:23:38,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 646 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 11:23:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-02 11:23:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-02 11:23:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-02 11:23:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions. [2024-11-02 11:23:38,865 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73 [2024-11-02 11:23:38,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:23:38,866 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions. [2024-11-02 11:23:38,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 11:23:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2024-11-02 11:23:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-02 11:23:38,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:38,872 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:38,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:39,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:39,076 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:39,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash 111552282, now seen corresponding path program 1 times [2024-11-02 11:23:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:23:39,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321340436] [2024-11-02 11:23:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:39,081 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 11:23:39,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:23:39,087 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:39,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80dc4971-bf4f-4861-93fc-9bf6f15bc963/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 11:23:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:23:39,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 11:23:39,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:23:40,064 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-02 11:23:40,065 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 82 treesize of output 43 [2024-11-02 11:23:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-02 11:23:40,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:23:40,253 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:23:40,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321340436] [2024-11-02 11:23:40,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321340436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:23:40,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:23:40,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 11:23:40,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611811742] [2024-11-02 11:23:40,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:23:40,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 11:23:40,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:23:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 11:23:40,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 11:23:40,264 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-02 11:23:42,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []